Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8114204 | Wireless receptor for communications within housings The present invention provides a system and method for transmitting information between a device within a housing to a second device, preferably a test or monitoring unit, outside of the housing. There are numerous issues associated with transferring information fro... | 02/14/2012 |
| 8088203 | Automated warehouse and method of controlling clean environment in the automated warehouse A measuring unit arranged to measure a clean environment is placed on a cell by a retrieval and storage apparatus to measure clean environment of the cell. Based on a measurement result, a fan filter unit or an exhaust vent is controlled to maintain the clean enviro... | 01/03/2012 |
| 8083841 | Air filter with a clog-detecting device An air filter with a clog-detecting device includes a housing having a wind outlet and a wind intake, a filter unit positioned between the wind outlet and the wind intake, an exhauster disposed between the wind outlet and the filter unit, a magnetic induction unit p... | 12/27/2011 |
| 8075678 | Portable water extracting and purification system and associated method A portable water extracting and purification system for converting filtered ambient air moisture into water may include a free-standing support frame and a reservoir removably engaged to the support frame and provided with a handle. The system may further include a ... | 12/13/2011 |
| 8021469 | Control methods for an air treatment system A control system and associated methods for an air treatment system. In one aspect, the present invention provides a control system and method for controlling blower speed as a function of separately determined smoke and dust concentrations. In one embodiment, the c... | 09/20/2011 |
| 8012250 | Vacuum cleaner A vacuum cleaner is disclosed. The vacuum cleaner may include a cleaner body, in which a suction motor is provided; a dust collector selectively attached to the cleaner body, in which a dust container is formed; at least one pressing element that presses dust stored... | 09/06/2011 |
| 7998262 | Merchandise sales processing apparatus A dust collector is provided in the main body of a POS terminal so that the dust in the main body can be caught into the dust collector. ... | 08/16/2011 |
| 7938896 | Air cleaner including touch points An air cleaner including touch points is provided according to an embodiment of the invention. The air cleaner includes a chassis and one or more visually coded touch points on the chassis. The one or more visually coded touch points include indicia of user-contacta... | 05/10/2011 |
| 7914613 | Liquid processing apparatus, liquid processing method and storage medium A liquid processing apparatus, includes an apparatus main body, a power room having an atmosphere separated from the clean room by a partition member, an air suction path configured to suction an air in the clean room and take the air into the power room, a temperat... | 03/29/2011 |
| 7896959 | Filtration apparatus A filtration apparatus for use in a system containing a gas or liquid to be decontaminated. The apparatus has at least one housing for a filter that removes contaminants from a gas or liquid which include biologics and chemicals. The housing contains an inlet portio... | 03/01/2011 |
| 7824481 | System for evaluating the charge state of an exhaust line depollution means The inventive system for evaluating the charged state of depollution means integrated into the exhaust line of a motor vehicle engine is characterised in that it comprises means (7) for determining a pressure in the depollution means, means (8) for det... | 11/02/2010 |
| 7811365 | Wireless receptor for communications within housings The present invention provides a system and method for transmitting information between a device within a housing to a second device, preferably a test or monitoring unit, outside of the housing. There are numerous issues associated with transferring information fro... | 10/12/2010 |
| 7744684 | High capacity gas filter system with indicator The present invention relates to a high capacity gas filter system. The metal filter of the system includes a visible indicator which indicates when the filter is spent. The indicator is preferably a non-reactive glass tube with indicator material therein. The glass... | 06/29/2010 |
| 7713339 | Filter change indicator An air filter monitoring system for indicating when to clean or replace a flexible air filter includes an air filter having a peripheral frame and an interior filtering region, a fixed support structure for receiving the air filter and maintaining the perimeter of t... | 05/11/2010 |
| 7686872 | Device for and method of informing replacement time of air filter The invention relates to a device for and a method of informing replacement time of an air filter, more particularly, to a device for and a method of informing replacement time of an air filter, in which the accumulation amount of the dust accumulated in the air fil... | 03/30/2010 |
| 7597751 | Carrier gas recycling system A carrier gas recycling system is designed according to the procedures in which a carrier gas passes through a reactor, such as a fluidized bed reactor, so as to purify and recycle gas generated in the reaction to substitute for the carrier gas externally applied to... | 10/06/2009 |
| 7594960 | Method and apparatus for monitoring the condition of a flexible filter A system for periodically or continuously monitoring the condition of a filter includes a filter having a peripheral frame and a flexible interior filtering region, a fixed support structure for receiving the filter and maintaining the perimeter of the filter frame ... | 09/29/2009 |
| 7537649 | Air treatment system An air treatment system includes features for maximizing efficiency and effectiveness. In one embodiment, a sensor air passage utilizes a low pressure region created by the blower to draw air through the passage. In another embodiment, a filter frame includes a plur... | 05/26/2009 |
| 7503962 | End of service and residual life indicator An End of Service Life (ESLI) and Residual Life Indicator (RLI), for gas masks and other filters, where the indicator includes a solid conduit with one end closed by a transparent material and the other by a porous material. In one implementation the conduit contain... | 03/17/2009 |
| 7494536 | Method for detecting a fault in an HVAC system A bypass factor of an evaporator is used to indicate when an air filter of an HVAC is clogged. The bypass factor represents the amount of air that is bypassed without direct contact with the evaporator. As the air filter clogs, the bypass factor decreases. The bypas... | 02/24/2009 |
| 7445665 | Method for detecting the cleanliness of a filter A method for detecting the cleanliness of a filter. The filter is disposed on an air inlet or an air outlet of a fan. The method includes the following steps. At first, outputting a rotation control voltage to the fan, and an airflow generated by the rotation of the... | 11/04/2008 |
| 7442291 | Filter integration for a lubrication analysis system A system and method relating to in situ monitoring, analysis, and control of a lubricating material within a lubrication filter assembly is provided. A filter-sensor integration comprises a lubrication filter assembly and at least one lubrication sensing assembly, w... | 10/28/2008 |
| 7442230 | Method and apparatus for generating an inert gas on a vehicle An inert gas generating system for generating inert gas on a vehicle having a fuel tank and a fuel tank vent. The system includes an inlet for receiving a flow of gas having a nitrogen component and an oxygen component from a gas source, a heat exchanger downstream ... | 10/28/2008 |
| 7431753 | Oxygen enrichment apparatus An oxygen enrichment apparatus includes a main body including an oxygen enriching unit and a pump unit for supplying oxygen-enriched air obtained by the oxygen enriching unit to a predetermined place; a ventilating unit for suctioning exterior air into the main body... | 10/07/2008 |
| 7419532 | Deposition system and method According to an exemplary embodiment of the present disclosure, a method of loading a filtering device includes measuring a metric indicative of an initial loading of the filtering device and desirably positioning a quantity of matter proximate the filtering device.... | 09/02/2008 |
| 7419533 | Separable air purifying apparatus A separable air purifying apparatus is provided, in which a number of purifiers whose purifying capabilities for particular pollutants are reinforced by each purifier are disposed in a space meeting each purifying characteristic in order to enable an independent ope... | 09/02/2008 |
| 7416574 | Filter apparatus, exposure apparatus, and device-producing method A filter apparatus for improving gas temperature stability while maintaining a high impurity removal capacity. The filter apparatus includes a filter for removing impurities from a gas and a temperature adjuster for adjusting the temperature of the gas to a predeter... | 08/26/2008 |
| 7412889 | System and method for monitoring a filter A monitoring assembly for a filter includes an acoustic apparatus. The acoustic apparatus includes a first receiver, a second receiver, a resonator, and a transmitter. The transmitter is configured to emit sound waves receivable by at least one of the first receiver... | 08/19/2008 |
| 7396383 | Membrane-based reservoir dryer A device and method for preventing ingression of contaminants and moisture and for removing moisture from a fluid reservoir, the device comprising a fluid reservoir for supporting a fluid therein, a fluid reservoir opening for allowing an exchanging of air between a... | 07/08/2008 |
| 7396390 | Oxygen enrichment apparatus An oxygen enrichment apparatus includes an oxygen enriching unit for generating oxygen-enriched air and a discharge unit for discharging the oxygen-enriched air transferred from the suction unit. The oxygen-enriched air generated by the oxygen enriching unit has an ... | 07/08/2008 |
| 7395710 | System and method for monitoring a filter A monitoring assembly for a filter may include a transmitter, arranged on a first side of the filter, configured to emit sound waves. The monitoring assembly may also include a first receiver, arranged on the first side of the filter, configured to receive the sound... | 07/08/2008 |
| 7393380 | Method of guaranteeing at least one characteristic of a fluid used for producing food products A method for guaranteeing at least one characteristic of a fluid used for producing food products. This method utilizes a system for piping and delivering the fluid, combined with means for producing the products, in order to use the fluid for producing the products... | 07/01/2008 |
| 7393390 | Hollow fiber membrane air drier Air is introduced from an intake chamber into a plurality of hollow fiber membranes in a casing. The casing is connected to a vacuum pump via a three-way valve and water vapor in air is evacuated through the membranes. Dehumidified or dried air is discharged from a ... | 07/01/2008 |
| 7390339 | Vortex separator in particle detection systems A particle separation apparatus is disclosed. The particle separation apparatus may be for sample air stream preparation and delivery in particle detection systems. The particle separation apparatus may include a first vortex separator coupled to a second vortex sep... | 06/24/2008 |
| 7374600 | System and method for excluding false back pressure faults after installation of a particulate trap filter A method and system for preventing or minimizing false back pressure faults caused by a new particulate filter in an engine exhaust system. When a new particulate filter is placed in an engine exhaust system, the normal back pressure threshold for the fault detectio... | 05/20/2008 |
| 7371266 | Apparatus for cleaning a diesel particulate filter with multiple filtration stages The present invention is directed to a filter cleaning device, in particular, diesel particulate filters. In one embodiment, the device includes a source of high pressure fluid and a mechanism transport the fluid to a nozzle or nozzles; an actuator for moving the no... | 05/13/2008 |
| 7354473 | NBC-building protection system and method A combined building air-conditioning unit and NBC protection system, containing an enclosed space housing a building air-conditioning unit and further including a plurality of chambers, a first chamber having an ambient air inlet port, one prefilter and a blower for... | 04/08/2008 |
| 7351273 | Apparatus and method for separating dust constituents out of an explosive dust-air mixture A method and an apparatus (10) for separating dust constituents out of an explosive dust-air mixture which is passed through a filter housing (26) with filter elements having filter surfaces use a dust container (64), which can be connected in a... | 04/01/2008 |
| 7334490 | Method and apparatus for v-bank filter bed scanning Embodiments of the invention generally related to a method and apparatus foe scanning a v-bank filter. In one embodiment, an apparatus for scanning a v-bank filter includes a hollow body having first and second ends. An outlet, formed at the second end of the body, ... | 02/26/2008 |
| 7329292 | Process byproduct trap and system including same A trap device including at least one substance delivery element for introducing a substance therein is disclosed. The delivered substance may influence the nature of deposits that have formed within the trap device, may influence the formation of deposits within the... | 02/12/2008 |
