Rovac Corporation

Organization

Rochdale, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pipe joint assembly
- Patent number 5,695,224
- Issue date Dec 9, 1997
- The Rovac Corporation
- Wilfred J. Grenier
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Disengagement tool for use with a pipe joint assembly
- Patent number 5,496,073
- Issue date Mar 5, 1996
- Rovac Corporation
- Wilfred J. Grenier
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe joint assembly
- Patent number 5,328,215
- Issue date Jul 12, 1994
- Rovac Corporation
- Wilfred J. Grenier
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vapor refrigeration cycle system with constrained rotary vane compr...
- Patent number 4,494,386
- Issue date Jan 22, 1985
- Rovac Corporation
- Thomas C. Edwards
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Vane type compressor having elliptical stator with doubly-offset rotor
- Patent number 4,410,305
- Issue date Oct 18, 1983
- Rovac Corporation
- Wayne C. Shank
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Rotary machine of canted vane type having centering ball
- Patent number 4,384,833
- Issue date May 24, 1983
- The Rovac Corporation
- Wayne C. Shank
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Compressor-expander of the vane type having canted vane cavity
- Patent number 4,354,807
- Issue date Oct 19, 1982
- The Rovac Corporation
- Wayne C. Shank
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Vane type compressor employing elliptical-circular profile
- Patent number 4,299,097
- Issue date Nov 10, 1981
- The Rovac Corporation
- Wayne C. Shank
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Air conditioning system employing dual cycle
- Patent number 4,241,591
- Issue date Dec 30, 1980
- The Rovac Corporation
- Thomas C. Edwards
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Closed loop air conditioning system including pressurization by blo...
- Patent number 4,175,397
- Issue date Nov 27, 1979
- The Rovac Corporation
- Thomas C. Edwards
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Closed loop air conditioning system having automatic pressurizing m...
- Patent number 4,175,399
- Issue date Nov 27, 1979
- The Rovac Corporation
- Thomas C. Edwards
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Air conditioning system employing non-condensing gas with accumulat...
- Patent number 4,175,400
- Issue date Nov 27, 1979
- The Rovac Corporation
- Thomas C. Edwards
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Control system for air conditioner
- Patent number 4,175,398
- Issue date Nov 27, 1979
- The Rovac Corporation
- Thomas C. Edwards
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Sliding vane type of compressor-expander having differential eccent...
- Patent number 4,088,426
- Issue date May 9, 1978
- The Rovac Corporation
- Thomas C. Edwards
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Air conditioning system having compressor-expander in pressurized c...
- Patent number 4,064,705
- Issue date Dec 27, 1977
- The Rovac Corporation
- Thomas C. Edwards
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat pump-refrigeration system with water injection and regenerativ...
- Patent number 4,017,285
- Issue date Apr 12, 1977
- The Rovac Corporation
- Thomas C. Edwards
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Compressor-expander with volume compensation
- Patent number 3,977,852
- Issue date Aug 31, 1976
- The Rovac Corporation
- Thomas C. Edwards
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Exhaust emission control system
- Patent number 3,968,649
- Issue date Jul 13, 1976
- The Rovac Corporation
- Thomas C. Edwards
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Air conditioning system having super-saturation for reduced driving...
- Patent number 3,967,466
- Issue date Jul 6, 1976
- The Rovac Corporation
- Thomas C. Edwards
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Compressor-expander for refrigeration having dual rotor assembly
- Patent number 3,956,904
- Issue date May 18, 1976
- The Rovac Corporation
- Thomas C. Edwards
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
75155568 - CINCHFREE
- Serial number 75155568
- Filing date Aug 26, 1996
- Rovac Corporation, The
- 8 - Hand tools and implements (hand-operated)
Information Trademark
74661398 - CINCHLOCK
- Serial number 74661398
- Registration number 2011219
- Filing date Apr 14, 1995
- Rovac Corporation, The
- 6 - Common metals and their alloys

Rovac Corporation

Organization

Patents Grantslast 30 patents

Pipe joint assembly

Disengagement tool for use with a pipe joint assembly

Pipe joint assembly

Vapor refrigeration cycle system with constrained rotary vane compr...

Vane type compressor having elliptical stator with doubly-offset rotor

Rotary machine of canted vane type having centering ball

Compressor-expander of the vane type having canted vane cavity

Vane type compressor employing elliptical-circular profile

Air conditioning system employing dual cycle

Closed loop air conditioning system including pressurization by blo...

Closed loop air conditioning system having automatic pressurizing m...

Air conditioning system employing non-condensing gas with accumulat...

Control system for air conditioner

Sliding vane type of compressor-expander having differential eccent...

Air conditioning system having compressor-expander in pressurized c...

Heat pump-refrigeration system with water injection and regenerativ...

Compressor-expander with volume compensation

Exhaust emission control system

Air conditioning system having super-saturation for reduced driving...

Compressor-expander for refrigeration having dual rotor assembly

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

75155568 - CINCHFREE

74661398 - CINCHLOCK