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ROVAC CORP

Overview
  • Total Patents
    92
About

ROVAC CORP has a total of 92 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets engines, pumps and turbines, thermal processes and environmental technology are CARRIER CO LTD, AGAM ENERGY SYSTEMS LTD and SHENHZEN WOHAISEN TECH CO LTD.

Patent filings in countries

World map showing ROVAC CORPs patent filings in countries

Patent filings per year

Chart showing ROVAC CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Edwards Thomas C 53
#2 Shank Wayne C 13
#3 Ecker Amir L 9
#4 Grenier Wilfred J 7
#5 Toumasu Shii Edowaado 3
#6 Toumasu Shii Edowaazu 3
#7 Uein Shii Shiyanku 2
#8 Eimaa Eru Etsukaa 2
#9 Uirufuretsudo Jiei Gureniia 2
#10 Toomasu Shii Edowaazu 1

Latest patents

Publication Filing date Title
US5695224A Pipe joint assembly
US5496073A Disengagement tool for use with a pipe joint assembly
US5328215A Pipe joint assembly
US4494386A Vapor refrigeration cycle system with constrained rotary vane compressor and low vapor pressure refrigerant
US4410305A Vane type compressor having elliptical stator with doubly-offset rotor
US4299097A Vane type compressor employing elliptical-circular profile
US4354807A Compressor-expander of the vane type having canted vane cavity
US4384833A Rotary machine of canted vane type having centering ball
US4241591A Air conditioning system employing dual cycle
CA1109038A Compressor-expander of the vane type having canted vane cavity
US4175400A Air conditioning system employing non-condensing gas with accumulator for pressurization and storage of gas
US4175397A Closed loop air conditioning system including pressurization by blockage and aspiration
US4175398A Control system for air conditioner
US4175399A Closed loop air conditioning system having automatic pressurizing means for variation of heat rate
GB1566411A Air condtitioning systems with solar assist
US4064705A Air conditioning system having compressor-expander in pressurized closed loop system with solar assist and thermal storage
US4088426A Sliding vane type of compressor-expander having differential eccentricity feature
IL49212D0 Air conditioning system having supersaturation for reduced driving requirement
US4017285A Heat pump-refrigeration system with water injection and regenerative heat exchanger
US3977852A Compressor-expander with volume compensation