Famous Patents
In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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 |
| 8274004 | Safety system and handle member therefor A fluidic operator presence control and safety system for walk-behind and riding equipment, such as lawn mowers and the like, is provided. The system includes a first handle member mounted to a portion of the equipment, the first handle member having an internal flu... | 09/25/2012 |
| 7309841 | Manual reset switch cover assembly The present invention is concerned with cover assemblies for manually resetting pressure switches used on oil and gas pipelines. The cover assembly encloses a volume of space on the pressure switch that houses a reset switch which is activated by depressing a button... | 12/18/2007 |
| 7309141 | Air actuated decoration system and device The invention is a system that provides a means to using passing air to turn on an electronically powered device that is removably attached to an exterior portion of a vehicle as the vehicle travels betweens two locations. The invention is also embodied as a device ... | 12/18/2007 |
| 7005596 | Cover member for illuminated pushbutton switch An illuminated pushbutton switch cover member has a key seat and a resin key top. An indicator portion provided in the resin key top is illuminated with light from an internal light source provided below the key seat, and the light is emitted from the inside to the ... | 02/28/2006 |
| 6740827 | Bi-directional piloted solenoid-operated valve A bi-directional piloted solenoid-operated valve which utilizes fluid pressure to provide both pressure-assisted sealing and pressure-assisted actuation to the main sealing disc in both flow directions. The valve may include a mechanical position indicator for provi... | 05/25/2004 |
| 5962826 | Bellows switch actuator A bellows has a first portion that is formed with a hollow protrusion and can be actuated and a second portion formed with an annular wall defining an opening. The hollow protrusion fits within the opening. Actuation of the first portion causes a fluid to... | 10/05/1999 |
| 5931494 | Air bag module with remote switch A driver side air bag module (50, 50', 50") formed of an air bag cover (2), mounting plate (10), inflator (22), and cushion (12). The driver side air bag module cover (2) includes a relatively flexible horn actuation area (4) which is depressible from its... | 08/03/1999 |
| 5881917 | Beverage dispenser having improved actuator mechanism A dispenser includes a plurality of beverage dispensing valves mounted thereto along a front end thereof Each valve includes an air switch that is pneumatically operable to turn its associated valve on and off. An equal plurality of air actuators are secu... | 03/16/1999 |
| 5743555 | Air actuated horn switch for a vehicle steering wheel assembly A vehicle steering wheel assembly includes a steering wheel body having a hole and a flexible outer cover. The cover and steering wheel body defines an air chamber. A diaphragm is disposed in line with the hole and includes an electrically conductive film... | 04/28/1998 |
| 5736702 | Pneumatic switch for patient call system having multiple-position housing assembly A pneumatically actuated switching device is disclosed for forming a momentary electrical signal circuit with a receptacle of a patient call system utilizing a conductive plunger which slides in response to a pulse of pressurized air delivered to an inter... | 04/07/1998 |
| 5728984 | Sensing safety edge systems Each sensing safety edge system includes an elongated, one-piece, flexibly resilient, extrusion of air-impervious material. The extrusion includes an elongated hollow member with tubular wall, a pair of laterally spaced apart support legs extending radial... | 03/17/1998 |
| 5721411 | Garbage disposal switch assembly A garbage disposal switch assembly having a unique dishwasher air gap body having a vertically oriented upper tubular portion, a first lower tubular portion and a second lower tubular portion. An air tube extends upwardly through, the upper tubular portio... | 02/24/1998 |
| 5570481 | Suction-actuated control system for whirlpool bath/spa installations A suction-actuated control system (10) for a whirlpool bath/spa installation includes a suction-side transducer (52) connected in the suction inlet path and a controller (54). The suction-side transducer (52) transmits an air pulse to the controller (54) ... | 11/05/1996 |
| 5530215 | Pressure switch The problem of providing plurality of different models of pressure switches to suit the requirements of a plurality of differing manufacturers may be minimized or eliminated in a pressure switch, including a frame (20), a diaphragm (50) secured to the fra... | 06/25/1996 |
| 5461207 | Hand held actuator for a patient call system A hand held actuator comprises a truncated conical housing wherein the volume of air is pressurized by flexure of a diaphragm. A rib protruding from an outer peripheral margin of the diaphragm is received in a groove of a support plate unwanted flexure of... | 10/24/1995 |
| 5365026 | User interface control apparatus A user interface controller for use by physically challenged persons has multiple function capabilities to operate an electronic device such as a computer or video game system. The controller provides activation of a plurality of first type control device... | 11/15/1994 |
| 5155309 | Pneumatic actuator for a patient call system A pneumatically actuated switching device comprises a pneumatic bulb including a base plate for anchoring the bulb by frictional contact with surfaces in contact therewith. The base plate further having pneumatic seal about an outer periphery thereof, and... | 10/13/1992 |
| 5139357 | Air actuated switch for painting system An improved pneumatic actuator for an electrical switch having a flexible diaphragm operating through a rigid disk member actuates an electrical contact when air pressure is applied to the diaphragm. A cylindrical ring acts as a guide for the rigid disk m... | 08/18/1992 |
| 5113048 | Pneumatically actuated hospital signaling device A positionally neutral, liquid tight signaling device includes an electrical contact switch remotely actuated by a pneumatic squeeze bulb. A gas permeable, flexible diaphragm divides the internal chamber of the signaling device into a switching portion an... | 05/12/1992 |
| 5001310 | Puncture-resistant mat for pressure-actuated switches A protective mat for use with pressure-actuated switching devices having a moisture-resistant, isolated switching chamber protected by a puncture-resistant, protective layer which disperses forces applied to the mat.... | 03/19/1991 |
| 4841271 | Trip-free resetting mechanism for an on-off unit A trip-free mechanism for resetting an on-off unit, such as a thermostat (1), breakable by the tripping of an actuator element (3) from a first condition to a second condition comprises a resetting button (9) engageable to apply a resetting force to the a... | 06/20/1989 |
| 4824340 | Bellows pneumatic system A pneumatic system (10) is shown in its most preferred use in a spray gun (12) to remotely control a pressure washer. The system (10) generally includes an integrally formed, homogeneous squeeze box (40) including a location ear (52), a nose tube (46), a ... | 04/25/1989 |
| 4783580 | Fluid actuated control device A fluid controlled actuating device is described which facilitates rapid and controllable actuation of devices adapted for momentary actuation.... | 11/08/1988 |
| 4754107 | Remotely operable master and slave switch A remotely operable switching arrangement comprises a master and slave providing variable volume chambers in air communication with each other. A switch is operably connected to the slave so that variation in the volume of the master chamber causes switch... | 06/28/1988 |
| 4647738 | Remote manual actuator means for a pressure-switch operated device such as a water pump in a whirlpool bath system, and the like A remote actuator means for a pressure-switch operated device such as a conventional latching relay acting as as on-off switch for an electric motor is provided which comprises a remote spring-loaded actuator cap connected to the device to be actuated via... | 03/03/1987 |
| 4639156 | Painting apparatus and method A painting system having a supply section, a delivery and control section, and an applicator section. The supply section comprises a peristaltic type pump. The delivery and control section comprises a unitary tube having a delivery passageway and an air p... | 01/27/1987 |
| 4500760 | Thermostat-controlled electric switch A thermostatic switch with a pair of switch contacts opened and closed by a first pivotably mounted lever urged in one direction by a spring and in the other by a bellows to alternately open and close the switch to operate a compressor. A manual switch ca... | 02/19/1985 |
| 4473729 | Pressure responsive switch A sealed pressure-responsive switch is manually resettable and trip-free. The switch has a separate snap-acting, bistable, dished metal disc or disc element disposed between a sealed snap-acting pressure-responsive diaphragm and a spring-biased switch arm... | 09/25/1984 |
| 4449062 | Safety arrangement for a powered tool or implement A hand-held power tool or a hand controlled implement having a primary control system by which a user controls operation of the tool or implement also has a secondary control system of pneumatic form. Operation of both systems must take place before the t... | 05/15/1984 |
| 4417232 | Liquid volume indicator A sensing device for determining the amount of liquid in an oil crankcase of a vehicle. A hollow dipstick, closed at one end and having a metering hole therein, is inserted into the crankcase of a car. The other end of the dipstick is connected by flexibl... | 11/22/1983 |
| 4401896 | Weight or ambient pressure-responsive mechanical pressure switch An electrically non-conductive separator having a hole formed therethrough is interposed between a pair of switch contacts having a modulus of elasticity. A cover of electrically non-conductive flexible material covers the switch contacts. Electrically co... | 08/30/1983 |
| 4250434 | Pressure-responsive electric switch A pressure-responsive electric switch assembly provided with an elongated pneumatic tube of elastomeric foam material impermeable to air, one end of the tube being plugged and the other having a sleeve therein whose inner end is covered by a membrane to t... | 02/10/1981 |
| 4209678 | Pressure switch actuator A switch, particularly for use in controlling the comminuter motor of a waste disposal unit, which provides pressure pulses, for use in the electrical control circuit of the motor, by compressing one or more resilient members in sequence when operated.... | 06/24/1980 |
| 4124789 | Pressure switch actuator A motor control circuit for the comminuter motor of a waste disposal unit, incorporating an air sack around the inlet to the waste disposal unit, and a pressure responsive electrical switch, the motor being de-energized in absence of a pressure signal fro... | 11/07/1978 |
| 3950814 | Vacuum cleaners Canister type vacuum cleaners, which can be used in any of their horizontal and upright positions. The vacuum cleaners include a casing housing a motor and a vacuum pump and a readily accessible compartment for a dust bag. The casing is free of protuberan... | 04/20/1976 |
| 3946174 | Positive and negative pressure breath control device This disclosure is directed to a positive and negative pressure operated control device for use as a breath control device. The device includes a plurality of micro switches which can be sequentially actuated or rendered responsive to a person blowing or ... | 03/23/1976 |
