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POSI SEAL INTERNATIONAL

Overview
  • Total Patents
    57
About

POSI SEAL INTERNATIONAL has a total of 57 patent applications. Its first patent ever was published in 1967. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets mechanical elements and machines are SISTAG AG ABSPERRTECHNIK, KITAMURA VALVE MFG CO LTD and DAVID F WISEMAN & SONS LTD.

Patent filings in countries

World map showing POSI SEAL INTERNATIONALs patent filings in countries

Patent filings per year

Chart showing POSI SEAL INTERNATIONALs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Pupillo Andrew 11
#2 Cory John M 11
#3 Champlin Jr Harry C 7
#4 Babcock Jon A 6
#5 Sahba Bahman 5
#6 Babcock Jon Alan 5
#7 Olansen Ronald A 4
#8 Cory John Munroe 3
#9 Burdick John E 3
#10 Varney Edward W 3

Latest patents

Publication Filing date Title
US4836500A Assembly and method for installing and retaining valve seals
US4744572A All-metal, valve sealing mechanism
US4779841A Assembly and method for installing and retaining valve seals
CN1004021B All-metal valve seal mechanism
JPS6069367A Valve sealing mechanism
EP0134503A1 A valve sealing mechanism
US4533114A Fail-safe actuator for rotary valves
US4261546A Quarter-turn valve actuator
US4335748A Bidirectional control valve
US4306706A Cryogenic valve seal
CA1080684A Extended temperature range valve seal
US4113268A Extended temperature range valve seal
US3986699A Positive shut-off seal
CA950886A Sealing mechanism
CA950885A Sealing mechanism
DE2240408A1 SEALING MECHANISM
GB1317136A Sealing mechanism for a pressurised fluid system
DE1600754A1 Valve with segment plug