William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8175754 | Configuration of a multivariable process fluid flow device A method of providing configuration information for a process fluid flow device is provided. The method includes receiving a process fluid selection and providing at least one selectable fluid property relative to the selected process fluid and receiving at least on... | 05/08/2012 |
| 8145180 | Power generation for process devices A process device includes a controller and a wireless communications module. The wireless communications module is coupled to the controller. A power generation module is provided to generate electricity for the process device. The power generator module can be disp... | 03/27/2012 |
| 8116909 | Gantry position tracking using redundant position sensors An x-y robotic motion control system includes a controller, a first rail and a second rail spaced from the first rail wherein the first and second rails are substantially parallel to one another. A gantry has a first end movable along the first rail and a second end... | 02/14/2012 |
| 8112565 | Multi-protocol field device interface with automatic bus detection A multi-protocol interface for coupling a field device to a general purpose computer is disclosed. The interface includes measurement circuitry to perform a plurality of measurements on a connected process communication loop to determine a process communication loop... | 02/07/2012 |
| 8068664 | Component sensor for pick and place machine using improved shadow imaging A method of sensing a component held by a nozzle of a pick and place machine is provided. The method includes engaging a source of illumination and recording a reference background image when no component is held by the nozzle. Then, a component is adhered to the no... | 11/29/2011 |
| 8064068 | Multi-source sensor for three-dimensional imaging using phased structured light A system for sensing a three-dimensional topology of a test surface is provided. A first illumination source generates first patterned illumination from a first point of view. A second illumination source generates second patterned illumination from a second point o... | 11/22/2011 |
| 8063644 | Impedance measurement of a pH electrode A method of measuring impedance of a pH electrode is provided. A test current is applied to the pH electrode for a time duration that is less than 50 percent of a time constant that is associated with electrical characteristics of the pH electrode. A voltage respons... | 11/22/2011 |
| 8059280 | Method for three-dimensional imaging using multi-phase structured light A method for mapping height of a feature upon a test surface is provided. The method includes projecting patterned illumination upon the feature, the patterned illumination having a plurality of distinct fringe periods. A first image of the feature is acquired while... | 11/15/2011 |
| 8042401 | Isolation system for process pressure measurement A process fluid pressure transmitter includes a pressure sensor, transmitter electronics, and an isolation system. The pressure sensor has an electrical characteristic that changes with pressure. The transmitter electronics are coupled to the pressure sensor to sens... | 10/25/2011 |
| 8033175 | Temperature compensation of a multivariable pressure transmitter A multivariable process fluid pressure transmitter includes an electronics module and a sensor module. The sensor module is coupled to the electronics module. A process fluid temperature sensor is coupled to the process fluid pressure transmitter. A differential pre... | 10/11/2011 |
| 8031453 | Industrial process field device with improved battery assembly An industrial process field device is provided. The device includes wireless process field device electronics disposed within the industrial process field device and at least one battery cell disposed within the industrial process field device and operably coupled t... | 10/04/2011 |
| 7996161 | Process fluid pressure transmitter with pressure transient detection A process fluid pressure transmitter includes a process fluid pressure sensor, measurement circuitry, a controller and a loop communicator. The pressure sensor is coupleable to a source of process fluid pressure. Measurement circuitry is coupled to the process fluid... | 08/09/2011 |
| 7980481 | Thermally controlled process interface A field device is coupled to a process through at least one process interface element. The process interface element may be a field device flange, a manifold, or a process flange. The process interface element has a temperature sensor attached thereto, and is adapte... | 07/19/2011 |
| 7957708 | Process device with improved power generation A wireless field device is disclosed. The field device includes a wireless communications module and an energy conversion module. The wireless communications module is configured to wirelessly communicate process-related information with another device. The energy c... | 06/07/2011 |
| 7949495 | Process variable transmitter with diagnostics A process variable transmitter with diagnostics based on power spectral density (PSD) analysis of a process variable sensor signal is provided. In one embodiment, the process variable transmitter is a pressure transmitter and the diagnostics are used to diagnose imp... | 05/24/2011 |
| 7893697 | Capacitive distance sensing in semiconductor processing tools A sensor for sensing a gap between the sensor and an object of interest within a semiconductor processing chamber is provided. The sensor includes a housing, a power source inside the housing, wireless communication circuitry, a controller, measurement circuitry and... | 02/22/2011 |
| 7891981 | System for maintaining a printed circuit board in an enclosure A system for maintaining a printed circuit board in an enclosure includes at least one interposer. The circuit board and housing are coupled to one or more interposers. The interposer(s) fixedly couples to both the circuit board and the enclosure, and allows the cir... | 02/22/2011 |
| 7882736 | Level measurement using a process vessel cage A process fluid level measurement system is configured to measure a level of at least one process fluid in a vessel. The vessel has a cage with at least one annular isolator located inside the cage. The at least one annular isolator has a band-shaped isolator diaphr... | 02/08/2011 |
| 7869805 | Method of selecting data communication provider in a field device A method and apparatus are provided for allowing a field device to select a data communication provider among a plurality of available data communication providers. Preferably, the method includes periodically, or selectively, assessing the strengths and efficacy of... | 01/11/2011 |
| 7852271 | Wireless field device with antenna for industrial locations A wireless field device is disclosed. The wireless field device includes an enclosure having a processor disposed within the enclosure. A power module may also be located inside the enclosure and be coupled to the processor. A wireless communication module is operab... | 12/14/2010 |
| 7844365 | Field-mounted process device A field-mounted process device with multiple isolated connections includes a connection that can be an input or an output. The given input or output can couple to multiple sensors or actuators, respectively. The process device can be wholly powered through its commu... | 11/30/2010 |
| 7837847 | High purity water pH sensor with shielded flowing liquid junction A pH sensor is provided. The pH sensor includes a body, a glass electrode, a reference electrode and a solution ground. The glass electrode is disposed on the body to contact a liquid sample. The reference electrode has a reference fill solution disposed within the ... | 11/23/2010 |
| 7835295 | Interface module with power over Ethernet function An interface module for use in a process monitoring and control system has an Ethernet port, a controller, and at least one segment I/O module. The Ethernet port is adapted to send and receive signals in an Ethernet protocol over a cable comprising a plurality of wi... | 11/16/2010 |
| 7819014 | Capacitive gage pressure sensor with vacuum dielectric A field device includes a capacitive gauge pressure sensor configured to measure a gage pressure of a process media. A sensor body of the pressure sensor includes first and second chambers. The second chamber is under vacuum and forms a vacuum dielectric for the pre... | 10/26/2010 |
| 7804306 | Capacitive distance sensing in semiconductor processing tools A wireless sensor includes at least one capacitive plate for sensing a distance relative to an object of interest within a semiconductor-processing environment. The sensor includes an internal power source and wireless communication such that distance and/or paralle... | 09/28/2010 |
| 7793203 | Fieldbus process communications using error correction A method of communicating over an H1 Fieldbus network is provided. The communication over the H1 Fieldbus network employs an advanced form of error correction. In one embodiment, the advanced form of error correction utilizes low-density parity check codes; while in... | 09/07/2010 |
| 7790006 | Free chlorine sensor A free chlorine measurement system and sensor are provided. In accordance with one aspect of the invention, the sensor has a porous working electrode disposed in an electrolyte proximate a porous membrane. The membrane allows free chlorine therethrough where it is r... | 09/07/2010 |
| 7778793 | Wireless sensor for semiconductor processing systems A wireless sensor is provided to obtain information relating to vibration of wafers or substrates in a semiconductor processing system. In one exemplary embodiment, a wireless substrate-like sensor is provided and includes a power source adapted to provide power to ... | 08/17/2010 |
| 7772854 | High-conductivity contacting-type conductivity measurement An improved contacting-type conductivity measurement system and method are provided. A first conductivity measurement is obtained by driving a contacting-type conductivity sensor with an excitation voltage at a first frequency, a second conductivity is obtained by d... | 08/10/2010 |
| 7746481 | Method for measuring center of rotation of a nozzle of a pick and place machine using a collimated laser beam A method of measuring and storing a center of rotation of a nozzle in a pick and place machine is provided. The method includes coupling an artifact to the nozzle. A substantially collimated laser beam is directed at the artifact, which is rotated while the collimat... | 06/29/2010 |
| 7727044 | Animal call with improved air channel An animal call includes a mouthpiece, a barrel, and a reed. The mouthpiece defines an air channel therein and has a reed bed proximate the air channel. The barrel is coupled to the mouthpiece and has an internal chamber that is fluidically coupled to the air channel... | 06/01/2010 |
| 7721764 | Process pressure measurement system with improved venting A process fluid pressure measurement system includes a process fluid pressure transmitter coupled to a coplanar manifold. The coplanar manifold includes a first bore coupleable to a source of process fluid, and a vent passageway connected to the first bore and termi... | 05/25/2010 |
| 7706595 | Pick and place machine with workpiece motion inspection Embodiments include measuring motion characteristics of the workpiece through the placement process. Since the component is placed on the workpiece with some force to ensure proper adhesion to the workpiece, some deflection of the workpiece is expected during the pl... | 04/27/2010 |
| 7664610 | Steam trap monitoring Electronic steam trap monitoring is disclosed. An electronic steam trap monitor is operably coupled to an outlet of a steam trap and is configured to measure at least one process variable of fluid (liquid or gas) flowing through the trap, when the trap is known to b... | 02/16/2010 |
| 7659828 | Industrial field device with automatic indication of solids An industrial field device provides information indicative of a process variable. The field device includes a controller, communication circuitry, a process variable sensor and measurement circuitry. The communication circuitry is coupled to the controller. The proc... | 02/09/2010 |
| 7650798 | Vented high-temperature piezoelectric-based field device A process fluid sensor for sensing a characteristic of a process fluid is provided. The process fluid sensor includes a metallic sensor body that defines a chamber therein. A piezoelectric crystal element is disposed proximate the chamber and is configured to genera... | 01/26/2010 |
| 7642628 | MEMS packaging with improved reaction to temperature changes A large-scale MEMS device includes a MEMS die supported by at least one compliant die mount. The compliant die mount couples the MEMS die to a support structure. The support structure is positioned within a package. In accordance with an aspect of the invention, the... | 01/05/2010 |
| 7640784 | System for calibrating dissolved oxygen analyzers using compressed fluids during cleaning A dissolved oxygen measurement system, and a method for calibrating a dissolved oxygen analyzer are provided. The method includes directing a pressurized cleaning fluid, having a known oxygen content, upon a sensing surface of a dissolved oxygen sensor disposed in a... | 01/05/2010 |
| 7624642 | Differential pressure sensor isolation in a process fluid pressure transmitter A differential pressure transmitter includes first and second process fluid inlets. A differential pressure sensor is disposed within the transmitter and has first and second sensor inlets. A first isolator diaphragm is located proximate the first process fluid inle... | 12/01/2009 |
| 7574625 | Active content wizard testing Automated testing of active content wizards is provided. A test infrastructure (TI) accesses a list of ACW to test and controls an ACW runtime engine to execute the ACWs. During ACW execution, the TI interacts with the ACW runtime engine to inject simulated user inf... | 08/11/2009 |