Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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 |
| 7241217 | Method and apparatus for delivering conditioned air using pulse modulation A method and apparatus for delivering conditioned air using short duty cycles during which a damper is fully open for a time and fully closed for the remaining time. Conditioned air is continuously supplied to a plenum at low pressure and is applied to the space whe... | 07/10/2007 |
| 7159409 | Method and apparatus for controlling the load placed on a compressor A method of operating a vapor compression system, the vapor compression system defining a closed fluid circuit in which a refrigerant is circulated and having operably disposed therein, in serial order, a compressor, a high pressure heat exchanger, an expansion devi... | 01/09/2007 |
| 7037187 | System for distributing air to a row of seats in the passenger compartment of a means of transport or inside the room of a building A system for the distribution of air to a row of seats in a passenger compartment of a means of transport, such as for example an aeroplane, train or bus, or in the room of a building, comprises a main duct and a series of outlets. The outlets are without valves for... | 05/02/2006 |
| 7018288 | Register for air conditioning An air-conditioning register includes a cylinder-shaped retainer having opposite inner surfaces, a fin assembly including a plurality of fin members disposed in the retainer, a first connector connecting the fin members, a second connector, and a guide guiding the s... | 03/28/2006 |
| 7000641 | Inflatable stopping bags A method of controlling the fluid pressure of an inflatable stopping bag used to block the fluid flow through a fluid conduit comprises pressurising the bag using a pressure regulator which operates to regulate the pressure of the bag as a function of the instantane... | 02/21/2006 |
| 6863603 | Air vent An air vent for ventilation installations in vehicles comprises a housing (10) which defines an air outlet channel (12), and a manual operating element (24) formed by a partial sphere to adjust direction and flow rate of air delivered by the ven... | 03/08/2005 |
| 6808451 | Air flow arrangement An air flow control arrangement is constructed with an air feed into an interior of a motor vehicle. Vertical and horizontal air guiding vanes are swivelably arranged in a housing, and controllable by way of an adjusting device. The housing can be fastened in an ope... | 10/26/2004 |
| 6780098 | Regulator for air outlet A regulator for regulating airflow through an air outlet includes a plurality of louver blades integrated with axis portions supported at bearing holes and interconnected through an interlocking member; a supporting plate with the bearing holes attached to an air ou... | 08/24/2004 |
| 6666761 | Wall-mounted supply-air device A wall-mounted supply-air device comprising an upper valve part connected to an upper edge of an aperture in a primary wall side and a lower valve part connected to a lower edge of the aperture in the wall side, the supply air to the device being arranged... | 12/23/2003 |
| 6582293 | Air vent damper apparatus An air vent damper assembly that controls air flow into the passenger compartment of an automotive vehicle and includes an air passage having a generally rectangular cross-section and a gasketless damper door. The damper door pivots between a closed posit... | 06/24/2003 |
| 6533655 | Air vent for ventilation systems An air escape for ventilation systems in vehicles comprises manual adjusting means for as outflow direction and for an outflow volume. The manual adjusting means have a single operating element that is movable in translation and in rotation about an axis,... | 03/18/2003 |
| 6496110 | Rapid fire emergency response for minimizing human casualties within a facility A method and apparatus are described for responding to a fire emergency at a facility by analyzing a plurality of fire threat conditions to determine possible responses to a fire emergency and selecting a response to the fire emergency for minimizing huma... | 12/17/2002 |
| 6270401 | Air diffuser with unitary valve assembly An air diffuser is adapted to be fluidly connected to an air duct. The air diffuser comprises a face and a unitary valve assembly. The face comprises a number of openings separated by louvers, which are preferably of a fixed angular orientation. The unita... | 08/07/2001 |
| 6142867 | Indicating apparatus for a damper opening/closing apparatus of an air diffuser An opening/closing apparatus of a damper for adjusting a blowing amount of air out of an air diffuser comprises a case mounted at the center of the diffuser in a predetermined size and shape and having an indicating scale portion to be properly positioned... | 11/07/2000 |
| 5816907 | Vehicle air outlet with combined flow straightener and shutoff door A vehicle air outlet having an outlet bell, an upstream shutoff valve having an open and closed position, a directionality control member which is downstream of the shutoff valve. The upstream shutoff valve includes a flow straightener assembly rendered f... | 10/06/1998 |
| 5702298 | Unsheathed cable activated damper control system A damper control system which employs an unsheathed cable to transmit torque from a torque inducing tool to a damper regulator for regulating a damper of an air processing system. The damper control system has a first cable bracket with a first bracket pa... | 12/30/1997 |
| 5584098 | Operating knob-mounting structure An operating knob-mounting structure in an air-conditioner for vehicle includes a support shaft provided on an equipment and an operating knob having a boss provided with an axial hole formed therethrough, the operating knob being rotatable and supported ... | 12/17/1996 |
| 5582544 | Adjustable air distribution apparatus An apparatus is provided for establishing an air flow pathway between a stationary feed duct of an air handling system and a desired spot in a work environment. The apparatus includes an air passage conduit in communication with the feed duct including a ... | 12/10/1996 |
| 5370578 | Apparatus for ventilating rooms preferably large premises An apparatus for ventilating spacious public rooms, workshops, industrial halls, underground parking lot and the like spaces, which apparatus comprises a damper having a plurality of shutters attached by a ring to inner surface of tubular body so as to ra... | 12/06/1994 |
| 5346426 | Method and an apparatus in ventilation A method and apparatus for the mechanical ventilation and heating of a premises with improved removal of impurities from air present in the premises. At least one suction extraction device is provided for removing polluted or stale air in a region adjacen... | 09/13/1994 |
| 5338252 | Air outlet louver assembly An air outlet louver assembly (10) includes a housing (12), primary vanes (14,36), secondary vanes (48,49), and a damper door (86). A control handle (58) independently controls the primary and secondary vanes (14,36,48,49), and a wheel (100) controls the ... | 08/16/1994 |
| 5275333 | Air conditioning system providing for individual work station control Disclosed is an air conditioning system which provides for controlling the flow of conditioned air from a duct to a predetermined location of an occupied area of a building. A fitting is secured at one end thereof to the duct and has a moveable butterfly ... | 01/04/1994 |
| 5238452 | Personalized air conditioning system An air conditioning system comprises a room divider extending upwardly from a floor, the room divider having first and second sides for supplying conditioned air to an area. The room divider comprises a first panel integrally connected to a second panel t... | 08/24/1993 |
| 5234374 | Air duct closure system An inflatable bag of flimsy plastic material is placed in the air duct of a house or other building. The bag is coupled to a fan and electric motor. The device is placed near the duct outlet register, where it can be easily inserted and retrieved. The mot... | 08/10/1993 |
| 5218998 | Linearly adjustable A linearly adjustable fluid damper of the sliding plate adjustable orifice type damper system having a fixed flat plate with a plurality of specifically arranged trapezoidal shaped apertures therethrough, and a slideably adjustable flat plate also having ... | 06/15/1993 |
| 5207615 | Damper assembly for air plenum system An air plenum system is disclosed which is adapted to distribute air from a central air plenum through a plurality of air duct lines, with a predetermined and readily adjustable air flow rate through each of the lines. A damper plate is pivotally mounted ... | 05/04/1993 |
| 5137491 | Air spout device for air conditioning system for use in automotive vehicle An air spout device for an air conditioning system comprises a duct having an intake portion and a ventilator spout. A plurality of guide vanes are arranged in the duct to define passages, and a plurality of dampers are arranged between the intake portion... | 08/11/1992 |
| 5135436 | Personalized air conditioning system An air conditioning system comprising a personal air terminal extending upwardly from a floor through a surface for supplying conditioned air to an area. The personal air terminal includes a first wall integrally connected to a second wall to form the per... | 08/04/1992 |
| 5095942 | Plastic self-insulating ductwork system The present invention relates to a system of adjustable preformed ductwork for the conveyance of a fluid. The system uses a distribution box which includes an upper portion having a plurality of walls and a bottom plate. The distribution box may act eithe... | 03/17/1992 |
| 5033362 | Air distribution outlet An air distribution outlet device is provided having an elongated barrel with an inlet at the top end and a closure at the bottom end. A longitudinally extending wall portion of this barrel is formed with a multiplicity of orifices around the entire perip... | 07/23/1991 |
| 4942384 | Composite type crime preventive sensor A composite type crime preventive sensor processes output detection signals from a plurality of sensor units of mutually different detection systems for ranking the signals into a plurality of grades depending on signal level, and provides an intruder det... | 07/17/1990 |
| 4876951 | Air register handle arrangement An air register handle (10) for mounting in an air register arrangement (12) to adjust the volume and/or direction of air flow through the register (12). The handle (10) includes a bracket (22) adapted to extend forwardly of a front plate (40) of the regi... | 10/31/1989 |
| 4854376 | Wall mounted air conditioner with dischargers in separate rooms An air-conditioning system including an air conditioner incorporating a heat exchanger and a fan therein, and duct assembly connecting to the air conditioner for supplying conditioned air to a specific room equipped with the air conditioner and to another... | 08/08/1989 |
| 4840114 | Air outlet device An air outlet device is to grant in its closing position a tight closing e from whistling noises. This is to be achieved by simple means and despite component tolerances. For this purpose longitudinal gaps formed between a closure flap and seat edges bef... | 06/20/1989 |
| 4664023 | Air diffusing register An air diffusing register which comprises a register case disposed with a damper operating mechanism at the side thereof, a protector integrally formed with a register bezel for covering the damper operating mechanism, and engaged with the guide of the re... | 05/12/1987 |
| 4535685 | Air outlet for air conditioning systems An induction type air outlet device comprises a ring of air outlet nozzles and a central passage in a partition of a housing. The air outlet nozzles are directed to the peripheral portions of an air guide blade assembly and entrains room air which enters ... | 08/20/1985 |
| 4534278 | Livestock confinement building wall-vent controller A pneumatic wall-vent closer for use in a thermal-pneumatic automatic temperature control system. The system is used to maintain constant temperature in livestock confinement buildings. The wall-vent closer attaches between the sill of a wall-vent in a co... | 08/13/1985 |
| 4050364 | Ventilating device A ventilating device for mounting on a wall or support frame which has an air flow passage therethrough comprises a housing of generally rectangular or block shaped form. The housing has a back wall which is mounted on brackets secured to the mounting wal... | 09/27/1977 |
