Inventor · disambiguated record
John H. Walker
Also filed as: WALKER JOHN · WALKER JOHN D · WALKER JOHN H · WALKER JOHN HENRY
12 granted patents·2 pending applications·224 citations·filing 1973–2015
91Inventor score
Top patents by PatentIndex Score
14 records- 0192US4012574APolymerization processICI LTD·Filed 1975·Granted Mar 15, 1977·63 cites·7 claims
- 0278US4212428AHydraulic power and control system for granular fertilizer spreadersDEMPSTER IND INC·Filed 1978·Granted Jul 15, 1980·47 cites·4 claims
- 0375US4056669APolymerization processICI LTD·Filed 1973·Granted Nov 1, 1977·18 cites·5 claims
- 0473US9786152B1Septic overflow warning systemWALKER JOHN·Filed 2015·Granted Oct 10, 2017·3 cites·6 claims
- 0571US5555853ALightweight back-pack generator set having a spark-ignited engine operating on middle distillate fuelsFiled 1994·Granted Sep 17, 1996·32 cites·50 claims
- 0655US4708203AComposite drill collarPHILLIPS PETROLEUM CO·Filed 1986·Granted Nov 24, 1987·22 cites·8 claims
- 0753US5891553ACrosslinkable polymeric coatings and films and composite structures incorporating sameCLARK SCHWEBEL INC·Filed 1996·Granted Apr 6, 1999·15 cites·6 claims
- 0846US2004161489A1Injection molding of thermoplastic partsFiled 2004·Application pending·0 cites
- 0943US2003039717A1Injection molding of thermoplastic partsFiled 2002·Application pending·0 cites
- 1040US9162221B1Heterogeneous liquid phase catalytic process for the dehydration of monoethanolamine to ethylenimineWALKER JOHN HENRY·Filed 2013·Granted Oct 20, 2015·0 cites·17 claims
- 1140US5009826AMethod of molding a composite drill collarPHILLIPS PETROLEUM CO·Filed 1989·Granted Apr 23, 1991·13 cites·2 claims
- 1238US4544701AStamp molded paraffin scraperPHILLIPS PETROLEUM CO·Filed 1984·Granted Oct 1, 1985·7 cites·7 claims
- 1331US4009295APrintable anti-blocking resinous block copolymerPHILLIPS PETROLEUM CO·Filed 1975·Granted Feb 22, 1977·2 cites·4 claims
- 1428US4832137AMethod for protecting a pipe casing from a drill pipe stringPHILLIPS PETROLEUM CO·Filed 1987·Granted May 23, 1989·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →