Inventor · disambiguated record
Clarence W. Johnson
Also filed as: JOHNSON CLARENCE · JOHNSON CLARENCE W · JOHNSON CLARENCE WILLIAM · JOHNSON JR II CLARENCE
22 granted patents·1 pending application·511 citations·filing 1979–2020
96Inventor score
Files withJOHNSON CLARENCE6BARBER IND INC5BARBER IND LTD5BRALORNE RESOURCES LTD5JOHNSON JR II CLARENCE1
Top patents by PatentIndex Score
23 records- 0197US8302796B1Utility box anti-theft lock bracketsJOHNSON CLARENCE·Filed 2009·Granted Nov 6, 2012·64 cites·18 claims
- 0291US5224898ACushion connectorBARBER IND LTD·Filed 1992·Granted Jul 6, 1993·63 cites·7 claims
- 0385US6015134APneumatic actuator assemblyBARBER IND INC·Filed 1993·Granted Jan 18, 2000·51 cites·18 claims
- 0473US6116268AWellhead safety valve control systemBARBER IND INC·Filed 1998·Granted Sep 12, 2000·28 cites·11 claims
- 0572US10716297B2Automatic fish feederJOHNSON CLARENCE·Filed 2018·Granted Jul 21, 2020·1 cites·20 claims
- 0671US4784392ABlock puzzleJOHNSON CLARENCE·Filed 1987·Granted Nov 15, 1988·31 cites·2 claims
- 0769US5464040ASafety valve actuatorBARBER IND LTD·Filed 1994·Granted Nov 7, 1995·22 cites·4 claims
- 0869US4844466ABlock puzzleJOHNSON CLARENCE·Filed 1988·Granted Jul 4, 1989·27 cites·2 claims
- 0961US6412510B1Wellhead safety valve control systemBARBER IND INC·Filed 2000·Granted Jul 2, 2002·21 cites·4 claims
- 1060US5291918ASafety valve actuator assemblyBARBER IND LTD·Filed 1991·Granted Mar 8, 1994·16 cites·23 claims
- 1160US4593914AWellhead sealing systemBRALORNE RESOURCES LTD·Filed 1983·Granted Jun 10, 1986·25 cites·22 claims
- 1258US4494778ACasing hangerBRALORNE RESOURCES LTD·Filed 1982·Granted Jan 22, 1985·24 cites·10 claims
- 1357US4759738AFloating cushion subBRALORNE RESOURCES LTD·Filed 1985·Granted Jul 26, 1988·26 cites·9 claims
- 1457US4703812AMobile drilling apparatusBRALORNE RESOURCES LTD·Filed 1983·Granted Nov 3, 1987·22 cites·12 claims
- 1553US5341837ATwo line pilot valveBARBER IND LTD·Filed 1993·Granted Aug 30, 1994·15 cites·16 claims
- 1653US5070900ASafety valve actuator assemblyBRALORNE RESOURCES LTD·Filed 1990·Granted Dec 10, 1991·15 cites·3 claims
- 1753US2021038461A1Hand exerciser devices, systems, and methodsJOHNSON CLARENCE·Filed 2020·Application pending·0 cites
- 1852US5791285AAutomatic aquatic food and water delivery deviceFiled 1997·Granted Aug 11, 1998·15 cites·10 claims
- 1946US5971353ADump/stop valve for surface controlled subsurface safety valveBARBER IND INC·Filed 1997·Granted Oct 26, 1999·22 cites·3 claims
- 2042US4287776AForce transducerJOHNSON CLARENCE·Filed 1979·Granted Sep 8, 1981·6 cites·5 claims
- 2141US4268988A"2" in "1" Bobber super and regularJOHNSON JR II CLARENCE·Filed 1979·Granted May 26, 1981·10 cites·1 claims
- 2235US5590685AHigh-low indicatorBARBER IND LTD·Filed 1994·Granted Jan 7, 1997·4 cites·4 claims
- 2331US6053711APump for pressurizing control systemBARBER IND INC·Filed 1997·Granted Apr 25, 2000·3 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →