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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 7306167 | Light-activated mist sprayer system An automatic mist-sprayer system comprising a control unit having electronic circuitry adapted to activate the sprayer for a predetermined interval in response to a sensed ambient light condition of desired intensity and duration. The system desirably further includ... | 12/11/2007 |
| 7299817 | Passive, double acting, vacuum actuated vent valve A valve is provided for use on a control moment gyroscope (CMG) having a housing separating an internal environment from an external environment. The valve includes a valve housing, a valve element, and bellows. The valve housing is configured to couple to the CMG h... | 11/27/2007 |
| 7284570 | Electrically powered valve for controlling, monitoring and evaluating fluid flow Controlled flow of liquid is conducted between aligned inlet and outlet pipe sections through a valve housing within which a solid valve element is sealed and supported for electrically powered displacement between a fully open position establishing unrestricted flo... | 10/23/2007 |
| 7185668 | Closing device for fluid passage A valve device for automatically closing a gas pipe when a fire breaks out. The valve device includes a gas thermosensitive generating composition, which decomposes and generates a large amount of gas within a short period when exposed to a high temperature. The val... | 03/06/2007 |
| 7075646 | Smoke detectors particularly ducted smoke detectors The present invention relates to the detection of particles suspended in fluid particularly smoke detectors suitable for mounting on ducting for the early detection of smoke created by unwanted pyrolysis or combustion of materials in a protected area or fire zone to... | 07/11/2006 |
| 7059338 | Emergency shutoff valve A valve control system comprises a programmable electronic controller. The programmable electronic controller is configured to provide an emergency actuation signal to a motor upon receiving an emergency close signal. The programmable electronic controller is config... | 06/13/2006 |
| 6598243 | Wind operated actuator for swimming pools A wind sensitive operating system for swimming pools would enable swimming pools to activate cleaning systems during times of high winds. Currently swimming pools cannot sense high wind conditions and altar their running conditions accordingly. This inven... | 07/29/2003 |
| 6374850 | Emergency gas line shut-off system An emergency gas line shut-off system for automatically preventing a flow of gas into a structure during the detection of emergency conditions. The emergency gas line shut-off system includes a gas valve for mounting on a gas supply line. The gas valve is... | 04/23/2002 |
| 6199573 | Gas flow arrestor A device and method for shutting off the flow of gas to a structure, such as a residence, when a fire is detected in the structure. The device has a fire detector for providing a status signal to indicate the presence of fire in a structure, an actuator i... | 03/13/2001 |
| 6145755 | Supplemental irrigation programmer An irrigation system that controls the amount of water to be applied based upon specific historical meteorological data including relative humidity, evapotranspiration data, and precipitation. The invention is also of a method for determining the optimal ... | 11/14/2000 |
| 5975106 | Rotary actuator valve closure apparatus The present invention relates to a novel single acting, valve closing actuator that when actuated is capable of closing an attached existing plug or gate valve, one that opens and closes within one quarter turn of operation. The newly designed actuator is... | 11/02/1999 |
| 5823433 | Wind governed sprinkler control system A wind governed sprinkler control system including a sprinkler control unit adapted to provide power upon the actuation thereof. A plurality of sprinklers are connected to the sprinkler control unit and adapted to dispense water upon the receipt of power.... | 10/20/1998 |
| 5755250 | Manifold and valve assembly for a smoke/pollution detection system A manifold valve assembly for use in a smoke/pollution detection system in which gas is drawn from a plurality of zones under surveillance and delivered to a smoke/pollution detector. The assembly has a manifold provided with a plurality of inlet ports co... | 05/26/1998 |
| 5722448 | Gas line automatic cut off valve A gas line automatic cut off valve including a gas valve housing adapted to be conveniently coupled between a standard gas line outlet and a standard gas powered appliance; a gas valve situated within the gas valve housing, the gas valve having a first or... | 03/03/1998 |
| 5694960 | Hazardous gas protection system and method for automatic valve closure The present invention relates to an automatic valve actuating system that is responsive to various externally detected stimuli. The system is comprised of a monitoring and alarm components that close a valve upon the detection of a fault occurring from th... | 12/09/1997 |
| 5620025 | Multi-port valve A multi-port valve for regulating, as a function of ambient air having varying wind velocity and wind direction in an open-field control area, the distribution of a fluid, particularly carbon dioxide (CO2) gas, in a fluid distribution system so... | 04/15/1997 |
| 5584312 | Fire damper for ceiling diffuser A protective damper for controlling the flow of fluid through a ceiling diffuser has a frame defining an opening through which the fluid flows. A barrier has a closed position which prevents the flow of fluid through the opening and an open position which... | 12/17/1996 |
| 5579801 | Valve closing mechanism A valve closing mechanism comprises a stand-off arm (18) adapted for attachment to the valve body, a lever arm (22) incorporating a fitting (24) for connection to the valve spindle (16), and an actuator (26) acting between the stand-off arm (18) and the l... | 12/03/1996 |
| 5570030 | Moisture sensor and control system A sensor for measuring moisture changes in soil and having an electrically insulating cylindrical body along which bare electrical conductors are placed. A transmitter produces constant alternating current which is supplied to the sensor. The voltage whic... | 10/29/1996 |
| 5424649 | Soil moisture sensor A soil moisture sensor using sensor electrodes each designed with a larger capacitance for reduced sensitivity to soil resistance and increased sensitivity to soil moisture surrounding the electrode. The soil moisture sensor is provided as a pair of cylin... | 06/13/1995 |
| 5002101 | Hose draining and recovery system A system is used to completely drain a hose used in conjunction with a tanker truck or railroad tank car. The system includes a holding tank and a shutdown system as well as a hose emptying unit.... | 03/26/1991 |
| 4995415 | Partially flooded gas appliance safety shut-off method and apparatus Gas burner safety device for use with gas fired heating systems and water heaters to shut-off main gas valve controlled gas flow to the burner's main gas jet in the event that the main jet becomes partially submerged to at least a critical level in surrou... | 02/26/1991 |
| 4739789 | Liquid flow control valve A flow control valve in which a moisture expansible body (18) is adapted to close a bleed valve (24) shutting off a bleed from an inlet chamber (2) through a by-pass (12) to the underside of a thrust plate (9) operatively coupled by a rod (9) to a valve m... | 04/26/1988 |
| 4275754 | Automatic valve actuator A valve actuator provides preselected automatic spring-powered actuation of a rotary-actuated valve in response to fire, or other occurrence of a specific exigent type. The actuator is secured to a valve having a shaft extending from the valve body and ro... | 06/30/1981 |
| 4135540 | Manual or automatic drainage device for downspouts Externally discharging downspouts normally dump water adjacent the building foundation where it accumulates and, if rainfall is heavy, it drains through the weeping tiles with the possibility of overflow inside the building leading to flooded basements. V... | 01/23/1979 |
| 4064706 | Evaporative roof cooling system A control device for evaporative roof cooling systems in which a lack of moisture on a sample surface actuates a valve to spray water onto a roof. The lack of moisture opens the circuit between two spaced electrodes located on the sample surface, causing ... | 12/27/1977 |
| 3955186 | Character image generation apparatus and CRT phototypesetting system Apparatus for reproducing characters from cathode ray tubes wherein a beam is deflected onto alpha/numeric characters occupying a selected area of a font. The beam is deflected by relatively high speed linear vertical strokes which are displaced horizonta... | 05/04/1976 |
