Quotables
"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4850338 | Solar collector system with radiation concentrated on heat absorber vanes A rectangular frame contains a plurality of upwardly opening trays each having a heat absorber element with a plurality of upstanding vanes. A lens associated with each tray concentrates incident solar radiation on the vanes to preferentially heat a porti... | 07/25/1989 |
| 4831670 | Automatic flushing apparatus for toilets An apparatus for automatically flushing toilets includes an electric motor driven tripping mechanism, including a gear train with an arm for tripping the flush valve, and a control circuit having a first sub-circuit activated by weight on the toilet seat ... | 05/23/1989 |
| 4832545 | Mechanism for angularly positioning a work spindle A mechanism for angularly positioning the work spindle of a program-controlled milling and drilling machine. The positioning mechanism comprises a drive unit mounted on the spindle housing for rotating the spindle after the main drive has been shut off, a... | 05/23/1989 |
| 4823411 | Cleanout extension adaptor A cleanout extension adaptor for insertion into a cleanout extension construction in a plumbing arrangement. The cleanout extension adaptor includes a cylindrical body with a small, thin lip on the top for seating on the top of a cleanout extension. The c... | 04/25/1989 |
| 4815662 | Stream propelled rotary stream sprinkler unit with damping means A rotary stream sprinkler unit comprises a body having a water flow passage in which is disposed a flow control unit having one or more passages configured to control the volume and pressure of a stream which strikes and rotates a rotary distributor head ... | 03/28/1989 |
| 4815642 | Ski boot carrier A ski boot carrier comprises a double loop structure defined by a cord forming a first loop for looping through the buckles of a pair of adjacent ski boots, and a strap forming a second loop for looping over the arm of a skier for carrying the boots, leav... | 03/28/1989 |
| 4807952 | Voltage-induced optical waveguide modulator having reduced inter-electrode gap A voltage-induced optical waveguide modulator is disclosed in which the inter-electrode gap is significantly reduced to a width on the order of 4 microns. The use of a dielectric layer between the electrodes and the electro-optic substrate is disclosed. A... | 02/28/1989 |
| 4809099 | Transport for tape cartridge with leader block A transport for a rectangular tape cartridge enclosing a supply reel having a web of magnetic tape wound thereabout terminating in a free end attached to a leader block. The illustrated embodiment of the transport is designed to fit within the computer in... | 02/28/1989 |
| 4804849 | Method and apparatus for determining concentrations of chlorophyll and the rate of primary production in water Apparatus is provided for optically measuring scalar irradiance or incident flux of radiant energy and for optically measuring naturally occurring chlorophyll fluorescence or upwelling radiance in a parcel of water in a natural setting. From a comparison ... | 02/14/1989 |
| 4802588 | Plant grow and transport pallet A plant grow and transport pallet is constructed to be stackable and includes an open, generally rectangular frame including a pair of siderails with a plurality of cross bars extending between the siderails and a pair of end rails or panels extending dow... | 02/07/1989 |
| 4801174 | Transparent roof convertible automobile An automobile body is provided that has a front windshield, a rear window and a pair of side panels cooperatively defining a passenger compartment with a roof opening. A transparent roof panel having an area corresponding to that of the roof opening is mo... | 01/31/1989 |
| 4801865 | Moisture sensor probe with at least two groups of resistive arrays A probe for sensing the moisture content in a porous medium such as soil. The probe includes an array of a multiplicity of conductors and resistors formed on a substrate, with contact pins or electrodes connected to one end of each resistor, typically ext... | 01/31/1989 |
| 4798549 | Surfboard and method of making same A surfboard body is built around a hollow stringer which is used for the injection of a lightweight foam into a mold and for providing the support for the lightweight board. One embodiment includes a hard lightweight shell covering the body. Another embod... | 01/17/1989 |
| 4796809 | Two-stage pop-up sprinkler A two-stage pop-up sprinkler unit includes a cylindrical housing having a first telescoping sleeve reciprocably mounted in the housing and a second sleeve telescoping mounted within the first sleeve and containing the sprinkler head and driving mechanism,... | 01/10/1989 |
| 4794698 | Graphics cutting system and method for sheet materials A system for generating and cutting graphic illustrations from sheets includes a microprocessor with graphics programming with suitable input such as a digital pad connected to a graphics plotter having an adaptor for converting the graphics plotter to a ... | 01/03/1989 |
| 4790111 | Reducing hoop stress in silos Means for reducing hoop stress in a silo cell comprising a grain tube located in the lower part of the silo cell, the wall of the grain tube having apertures at the silo base allowing entry of granular material into the grain tube, and a restrictor below ... | 12/13/1988 |
| 4790324 | Method and apparatus for measuring internal body temperature utilizing infrared emissions A hand held probe unit has an infrared sensitive thermopile mounted in a metal housing kept at a constant reference temperature by a regulator circuit. A waveguide tube, surrounded by a thermally insulative probe, directs infrared emissions to the thermop... | 12/13/1988 |
| 4789070 | Clothes airer Clothes airer of the type having a pair of hinged frames each with a pair of legs joined by a beam, the legs being pivoted between their upper and lower ends so that the frames can fold or unfold between retracted and in-use positions, there being struts ... | 12/06/1988 |
| 4789214 | Micro-optical building block system and method of making same A micro-optical building block system for optical processing of light signals and method for making the components used in the system. The basic system includes a master substrate on which is mounted at least one building block. Typically, there are a mul... | 12/06/1988 |
| 4785363 | Cartridge alignment mechanism for tape drive A magnetic tape drive in which a tape cartridge is endwise loaded and thereafter minutely moved into a precision alignment position with respect to a read/write head. The drive has a support frame with a front panel and an elongate tray dimensioned to hav... | 11/15/1988 |
| 4784398 | Core lifting chuck An expandable chuck for insertion into a vertically oriented, longitudinally extending, cylindrical hollow core about which a web of paper or other material is wound to form a roll. An elongate body is dimensioned for insertion into the core. Mechanisms a... | 11/15/1988 |
| 4780952 | Tool carriage for loading machine tools A tool carriage for automatically loading tools into and unloading tools from tool magazines of numerically controlled tools. A tool changing assembly is mounted for two-dimensional movement with respect to a slide member which is movable in two dimension... | 11/01/1988 |
| 4779917 | Reconfigurable rear seat for van or station wagon A bench type rear seat has three sections independently movable about a common laterally extending pivot axis. The rear seat is positioned in a van or station wagon behind the front seat or seats where the driver sits. The sections include a pair of cushi... | 10/25/1988 |
| 4779251 | Optical disk memory system with closed loop micro-jump between adjacent tracks The servo positioning and tracking system of an optical disk drive utilizes the tracking error signal on a continuous, closed loop basis to move the optical beam from one track on the disk to an adjacent track. A circuit generates a ramp waveform that is ... | 10/18/1988 |
| 4773819 | Rotary disc slurry pump A pump for pumping a slurry includes a rotary pump having a plain disc impeller disposed in a cylindrical chamber of a housing with an inlet coaxial of the impeller into the housing and a substantially square outlet from the periphery of the chamber, with... | 09/27/1988 |
| 4772044 | Vehicle suspension system with flexible control arm A flexible, resilient control arm is rigidly connected at an inner end thereof to a side of a vehicle frame and pivotally connected at an outer end thereof to a wheel assembly. A rigid control arm may be pivotally connected at an inner end thereof to the ... | 09/20/1988 |
| 4768920 | Method for pumping fragile or other articles in a liquid medium A pump for pumping fragile articles including fish and glasses without damage includes a rotary pump having a plain disc impeller disposed in a substantially cylindrical chamber of a housing with an inlet into, or coaxial of, the impeller into the housing... | 09/06/1988 |
| 4769249 | Process for dehydrating and puffing food particles Food particles are automatically puffed in large quantities and dehydrated to 2% moisture content in a single-stage vacuum-fry system. Whole grapes, slices of apples, pineapples, banana, onion and the like in the fresh condition, are puffed and dehydrated... | 09/06/1988 |
| 4767134 | Vehicle suspension system with multiple overlapping composite control arm elements A vehicle suspension system includes a primary composite control arm element and a secondary composite control arm element. The secondary element has a length shorter than a length of the primary element. A root attachment assembly is provided for mountin... | 08/30/1988 |
| 4766891 | Arthroscopic leg holder A device to enable an arthroscopic surgeon to adjust the position of the lower leg with respect to the immobilized thigh portion of the leg as necessary during arthroscopic procedures. The device comprises a girdle around the surgeon's waist/hip area, hav... | 08/30/1988 |
| 4765092 | Method and apparatus for growing sprouts A method and apparatus for growing sprouts from seeds. The seeds are washed and placed in a tumbler where water and air are circulated while they are periodically tumbled. The incubated seeds are rinsed to remove hulls and ungerminated seeds and wrapped. ... | 08/23/1988 |
| 4763821 | Security wallet A wallet assembly for detachably securing to an individual's ankle or the like comprises a wallet formed such that pockets thereof are oriented in a common direction, and the wallet is foldable across the front to secure the pockets and is detachably secu... | 08/16/1988 |
| 4763663 | Esophageal stethoscope and vital signs monitor system A patient vital signs monitoring system includes an elongated flexible esophageal stethoscope catheter including a microphone and a thermister measuring means detachably connected to a processing monitor through a patient interface unit for electrical iso... | 08/16/1988 |
| 4764881 | Computer controlled altazimuth telescope mount A telescope is supported by an altazimuth mount driven by altitude and azimuth stepper motors. The mount is initially oriented by pointing the telescope at a reference location in the sky such as a known star and inputting its coordinates to a microproces... | 08/16/1988 |
| 4763314 | Linear actuator for an optical disk storage apparatus A linear actuator for controlling access to a track element belonging to a plurality of adjacent track elements arranged in a reference surface of an optical disk rotatable about a spindle. The linear actuator includes an objective lens for projecting a l... | 08/09/1988 |
| 4761845 | Bonding press for shoes A bonding press for cementing shoe soles to lasted uppers. A shoe support plate has an opening to receive the lasted shoe upper with the sole placed thereon. The lasted shoe upper is supported on a last support. A rigid press hood closed on the underside ... | 08/09/1988 |
| 4761912 | Snail trap A trap for snails, slugs and the like has a base and a top cover which fits over the base. The base has a central upwardly extending support defining an upwardly opening bait receptacle. The base further has an annular upwardly projecting wall surrounding... | 08/09/1988 |
| 4761224 | Silver-glass paste with poly-modal flake size distribution and quick dry vehicle A silver glass paste consists of 60-75% silver flake having a tap density greater than 2.8 gm/cc and less than 5.0 gm/cc. The silver flake has a poly-modal flake size distribution. The paste further consists of 12-20% glass frit, 0.5-2% of a suitable orga... | 08/02/1988 |
| 4759114 | Tool magazine A tool magazine, especially for milling and drilling machines, comprising a linear tool support having at least one row of tool holders, the tool support being mounted on the free ends of two swivel arms. Each swivel arm is disposed laterally of the work ... | 07/26/1988 |
| 4758060 | Integrated optical high voltage sensor A high voltage sensor using an integrated optical Mach-Zehnder device is disclosed. A capacitive divider for sensing the electric field is connected to an electrode adjacent one of the parallel waveguide sections, while a second electrode adjacent the oth... | 07/19/1988 |
