| Patent Number |
Title Of Patent |
Date Issued |
| RE33212 |
Service station for refrigeration equipment |
May 8, 1990 |
| Apparatus for service and recharge of refrigeration equipment, with particular application to automotive air conditioning equipment. A vacuum pump, and oil and refrigerant charge containers are housed within a portable enclosure and configured for selective connection by electrically |
| D260725 |
Strut spring compressor |
September 15, 1981 |
|
| D258488 |
Urethane pull knife and blade |
March 10, 1981 |
|
| D257960 |
Transmission shim selector |
January 20, 1981 |
|
| 5095713 |
Refrigerant handling system and method with multiple refrigerant capability |
March 17, 1992 |
| A refrigerant handling system that includes a compressor and a condenser, each having an inlet and an outlet, with the condenser inlet normally being connected to the compressor outlet so that refrigerant in vapor phase from the compressor is at least partially condensed in the conde |
| 5080132 |
Refrigeration equipment service apparatus with quick-disconnect couplings |
January 14, 1992 |
| A system for servicing refrigeration equipment having at least one service fitting of first predetermined configuration includes devices for recovering, purifying and/or recharging refrigerant within such equipment. A manifold includes a first refrigerant hose or conduit having an end |
| 5063749 |
Refrigerant handling system with air purge and multiple refrigerant capabilities |
November 12, 1991 |
| A refrigerant handling system in accordance with the present invention includes a closed liquid refrigerant storage container and a pump for feeding refrigerant in liquid phase to the container so that any air carried by the circulating refrigerant is captured in the container over t |
| 5046322 |
Electronic refrigerant transfer scale |
September 10, 1991 |
| An electronic scale assembly for transferring refrigerant charge between a tank and refrigeration equipment under service comprises a generally rectangular enclosure that includes a handle positioned along one side edge of the enclosure for manually transporting the scale, and a cover fo |
| 5042271 |
Refrigerant handling system with compressor oil separation |
August 27, 1991 |
| A refrigerant handling system that includes a compressor having an inlet and an outlet, a condenser for withdrawing heat from and at least partially condensing refrigerant passing therethrough, and a compressor oil separator connected between the compressor outlet and the condenser f |
| 5038578 |
Refrigerant recovery and purification system |
August 13, 1991 |
| A refrigerant recovery system which includes a compressor having an input coupled through an evaporator and through a solenoid valve to the refrigeration system from which refrigerant is to be withdrawn, and an output coupled through a condenser to a refrigerant storage container. The |
| 5033271 |
Refrigerant recovery and purification system |
July 23, 1991 |
| A refrigerant recovery system which includes a compressor having an input coupled through an evaporator and through a solenoid valve to the refrigeration system from which refrigerant is to be withdrawn, and an output coupled through a condenser to a refrigerant storage container. The |
| 5005375 |
Refrigeration equipment service apparatus with quick-disconnect couplings |
April 9, 1991 |
| A system for servicing refrigeration equipment having at least one service fitting of first predetermine configuration includes devices for recovering, purifying and/or recharging refrigerant within such equipment. A manifold includes a first refrigerant hose or conduit having an end |
| 5005369 |
Refrigerant purification with automatic air purge |
April 9, 1991 |
| A system for purification of refrigerant within a storage container includes a filter/dryer for removing contaminants' from refrigerant passing therethrough, and a refrigerant pump connected to the storage container to circulate refrigerant in a closed path from the container through |
| 4939905 |
Recovery system for differing refrigerants |
July 10, 1990 |
| A refrigerant recovery system that includes a compressor having a inlet connected to a refrigeration system from which refrigerant is to be recovered, and an outlet connected through a condenser to a refrigerant storage container. The condenser includes multiple condenser sections, p |
| 4938381 |
Method and apparatus for dispensing a foam product |
July 3, 1990 |
| A method and apparatus for dispensing a foam product, wherein an elastomeric base material, which is solid at ambient temperatures, and a liquid material are combined to form a foam product, comprising heating the base material to melt the material, heating the liquid material to mai |
| 4938031 |
Refrigerant recovery and purification system |
July 3, 1990 |
| A refrigerant recovery system which includes a compressor having an input coupled through an evaporator and through a solenoid valve to the refrigeration system from which refrigerant is to be withdrawn, and an output coupled through a condenser to a refrigerant storage container. The |
| 4879546 |
Ultrasonic hand-held refrigerant leak detector |
November 7, 1989 |
| Hand-held apparatus for detecting presence of halogen refrigerant agents in air in which a pair of ultrasonic transducers are spaced from each other within a measurement probe and test air is continuously drawn between the transducers by a fan. One transducer is energized at constant ult |
| 4878356 |
Storage tank scale for a refrigerant recovery system |
November 7, 1989 |
| A refrigerant recovery system that includes a refrigerant storage container, means for withdrawing refrigerant from a refrigeration system to be serviced and feeding such refrigerant to the container for storage, and a scale supporting the container for sensing impending overfill of the |
| 4845998 |
Apparatus for precision tensioning of threaded fasteners |
July 11, 1989 |
| Apparatus for precision tensioning of threaded fasteners and the like comprising a drive head having a shaft for applying turning torque to a threaded fastener, a strain gage mounted on the drive shaft for providing a torque signal as a function of torque applied to the fastener, and an |
| 4809520 |
Refrigerant recovery and purification system |
March 7, 1989 |
| A refrigerant recovery system which includes a compressor having an input coupled through an evaporator and through a solenoid valve to the refrigeration system from which refrigerant is to be withdrawn, and an output coupled through a condenser to a refrigerant storage container. The |
| 4805416 |
Refrigerant recovery, purification and recharging system |
February 21, 1989 |
| A system for recovering, purifying and recharging refrigerant in a refrigeration system comprises a refrigerant compressor having an input connected through an evaporator and a recovery control valve to a refrigeration system from which refrigerant is to be recovered, purified and re |
| 4798055 |
Refrigeration system analyzer |
January 17, 1989 |
| Apparatus for analyzing air conditioning systems comprising a temperature probe adapted for manual placement at each of a plurality of preselected points in turn around the refrigerant loop to provide signals indicative of temperature at each point. Apparatus electronics are coupled by a |
| 4768347 |
Refrigerant recovery and purification system |
September 6, 1988 |
| A refrigerant recovery system which includes a compressor having an input coupled through an evaporator and through a solenoid valve to the refrigeration system from which refrigerant is to be withdrawn, and an output coupled through a condenser to a refrigerant storage container. The |
| 4708667 |
Connector test adapter |
November 24, 1987 |
| A connector test adapter comprising a closely wound spring comprising a first portion having one diameter and a second portion having a larger diameter. A connector tip is fastened to the first portion and projects beyond the end thereof and the second portion is adapted to function as a |
| 4688388 |
Service station for refrigeration equipment |
August 25, 1987 |
| Apparatus for service and recharge of refrigeration equipment, with particular application to automotive air conditioning equipment. A vacuum pump, and oil and refrigerant charge containers are housed within a portable enclosure and configured for selective connection by electrically |
| 4643336 |
Mixing and dispensing gun |
February 17, 1987 |
| A mixing and dispensing gun comprising a body having spaced inlets for receiving two components of an adhesive or reactive fluid, a dispensing valve in the gun, an outlet nozzle and a motionless mixer interposed between the dispensing valve and the outlet nozzle for directing the flu |
| 4642900 |
Shim selector |
February 17, 1987 |
| A device for selecting shims to take up the end play of bearings in an automotive power train such as the bearings in the transaxle. The shim selector assembly consists of a bridge with supporting legs, a gauging cylinder and a gauge plunger telescoped in the gauging cylinder. The br |
| 4553883 |
Boring tool with fluid feed |
November 19, 1985 |
| The invention pertains to a boring tool for boring cylinder chambers of internal combustion engines without removing the engines from the vehicle chassis. A housing affixed to the engine block includes a rotatable driveshaft supporting a cutting tool whereby rotation of the driveshaft by |
| 4551898 |
Crankshaft seal installing tool |
November 12, 1985 |
| A tool for installing an oil seal for an internal combustion engine crankshaft wherein an adapter is affixed to the end of the crankshaft having a cylindrical guide surface upon which the seal is initially located axially positioning the seal in alignment with a recess in which it is |
| 4446608 |
Valve spring compressor for internal combustion engine |
May 8, 1984 |
| Valve spring compressor tool for internal combustion engines having an overhead camshaft. The tool has a fulcrum bracket removably attached to the engine providing means to pivot a lever, and a lever assembly having a depressor member used to depress the valve spring and means to retain |
| 4263944 |
Method and apparatus for emptying catalyst particles from catalytic converter |
April 28, 1981 |
| A method for emptying a catalytic converter where a container is attached to the fill hole of the converter such that a nozzle attached to an air line is inserted within the bed area of the converter. A vacuum source is turned on inducing negative pressure within the container and an air |
| 3945410 |
Catalytic converter cannister emptying and filling device |
March 23, 1976 |
| Catalytic converter emptying and filling device attachable to the housing of a catalytic converter containing means therein defining a bed for storing catalytic pellets and further having a port therein for emptying the pellets from the bed and housing. The device includes a rigid condui |
| 3941172 |
Catalytic converter changer device |
March 2, 1976 |
| Catalytic converter emptying and filling device attachable to the housing of a catalytic converter containing a bed for storing catalytic pellets. In such a converter the housing is formed of inner and outer walls separated slightly from one another to form a space therebetween which is |
