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Patent No. 5443036

Method of exercising a cat

A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.

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Class 137/468 - Thermal responsive


Subclass of Class 137 - Fluid handling
Definition: Apparatus within ... in which a valve is controlled in
No. of patents: 171
Last issue date: 08/31/2010


        5  
NumberTitleIssue Date
4038034Air-fuel ratio sensing device for internal combustion engine
An air-fuel ratio sensing device for an air-fuel ratio control system of an internal combustion engine, which device includes a sensing element exposed to exhaust gases passing through an exhaust gas passageway. A housing surrounding the sensing element h...
07/26/1977
4032071Thermally responsive valve having dual operating temperatures
A thermally responsive valve having dual operating temperatures comprises a main body having two openings which are connected through passages in the body to an internal operating space in the body, two dish-shaped bimetal elements disposed in spaced rela...
06/28/1977
4027633Ignition timing control system
Two bimetallic leaf valves having thermal hysteresis characteristics different from each other are provided to permit or inhibit transmission of engine induction passage vacuum to a distributor motor to advance or retard the ignition timing in accordance ...
06/07/1977
4023594Throttle
A throttle for use in hydraulic drives requiring low flow rate of liquid includes a stationary housing and a rotor located in said housing. In the housing on the side facing the rotor, provision is made for an insert which is mounted with a clearance with...
05/17/1977
4005726Thermomagnetic valve
A hot fluid is directed through a valved conduit inlet. Downstream of the inlet, the conduit divides into a pair of outlets through which the hot fluid flows. The flow through the outlets is controlled by a pair of vertically oriented valves linked togeth...
02/01/1977
3999568Self unloading check valve
A check valve having a piston with a greater coefficient of thermal expansion than the body which closes a bleeder port at running temperatures and opens the bleeder port when flow stops or when the valve cools. A body of brass and a piston of filled TFE ...
12/28/1976
3995607Vacuum retard delay valve
An internal combustion engine for automotive vehicles is started and operated with decreased fuel enrichment when the engine is cold by delaying spark retard as the vehicle is accelerated to save fuel and reduce accumulated pollutants collected during war...
12/07/1976
3963042Internal combustion engine control system and improved pneumatically operated temperature controlled valve construction therefor or the like
An internal combustion engine control system having a source of vacuum and a vacuum operated control device. A vacuum operated temperature controlled valve construction is provided for interconnecting the source to the device when the construction senses ...
06/15/1976
3951338Heat-sensitive subsurface safety valve
This is a subsurface safety valve for insertion in a tubing string centered in a well drilled in the earth normally for the production of oil or gas. Under normal flow conditions, a spring holds a flapper valve in an open position out of the flow path of ...
04/20/1976
3950959Device for transferring liquified gas
A device for controlling the transfer of liquefied gas from a storage tank to a consumer apparatus or circuit, comprises a closing valve placed in the transfer circuit linking the storage tank and the consumer apparatus. A device locks the valve in the op...
04/20/1976
3938741Shower heads
The shower head comprises a safety device connected between the water supply pipe and the shower nozzle and comprising a hollow housing having an entry end connectible to the water supply pipe, a valve seat provided in the housing in spaced relation to th...
02/17/1976
        5  
 
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