Inventor · disambiguated record
James W. Campbell
Also filed as: CAMPBELL JAMES · CAMPBELL JAMES W · CAMPBELL JAMES WILBERT
22 granted patents·3 pending applications·445 citations·filing 1975–2020
96Inventor score
Top patents by PatentIndex Score
25 records- 0191US6270548B1Sintering process for diamond and diamond growthFiled 1998·Granted Aug 7, 2001·83 cites·27 claims
- 0286US8038038B2Spring engine driven fluid dispensing systemCHAPIN MFG INC·Filed 2007·Granted Oct 18, 2011·17 cites·17 claims
- 0384USD591387STank for a backpack sprayerCHAPIN MFG INC·Filed 2007·Granted Apr 28, 2009·30 cites·1 claims
- 0483US5827511APreservative and embalming fluidEFH INC·Filed 1997·Granted Oct 27, 1998·32 cites·18 claims
- 0582US5048153ASpa cover lift mechanismSTARLITE LEISURE PRODUCTS INC·Filed 1990·Granted Sep 17, 1991·59 cites·10 claims
- 0680USD760345SCap for a sprayer tankCHAPIN MFG INC·Filed 2015·Granted Jun 28, 2016·20 cites·1 claims
- 0779USD590043SSprayer tankCHAPIN MFG INC·Filed 2007·Granted Apr 7, 2009·24 cites·1 claims
- 0877USD612548SBird feederCHAPIN MFG INC·Filed 2009·Granted Mar 23, 2010·21 cites·1 claims
- 0973US5405606AEmbalming composition and methodEFH INC·Filed 1993·Granted Apr 11, 1995·14 cites·14 claims
- 1072USD594087SSprayer tankCHAPIN MFG INC·Filed 2007·Granted Jun 9, 2009·18 cites·1 claims
- 1171US5622695AAnatomical and biological preservative and methodEFH INC·Filed 1994·Granted Apr 22, 1997·12 cites·12 claims
- 1267USD604386SSprayer tankCHAPIN MFG INC·Filed 2009·Granted Nov 17, 2009·14 cites·1 claims
- 1366USD582000SSprayer tankCHAPIN MFG INC·Filed 2007·Granted Dec 2, 2008·14 cites·1 claims
- 1465US5607668AEmbalming composition and methodEFH INC·Filed 1994·Granted Mar 4, 1997·9 cites·24 claims
- 1565US3992706ALiquid level monitoring apparatusTUNNEY THOMAS P·Filed 1976·Granted Nov 16, 1976·24 cites·13 claims
- 1657US5415621AMassage deviceFiled 1993·Granted May 16, 1995·32 cites·7 claims
- 1750US2012174867A1Wildlife feeding blockCAMPBELL JAMES W·Filed 2011·Application pending·0 cites
- 1849US6264070B1Reservoir pumpCHAPIN MFG INC·Filed 2000·Granted Jul 24, 2001·5 cites·25 claims
- 1948US2012152173A1Apparatus for feeding wildlife especially deerCAMPBELL JAMES W·Filed 2010·Application pending·0 cites
- 2047USD538404SSwivel assemblyCHAPIN MFG INC·Filed 2005·Granted Mar 13, 2007·7 cites·1 claims
- 2146USD564068SShoulder portion of a sprayer tank and capCHAPIN MFG INC·Filed 2006·Granted Mar 11, 2008·6 cites·1 claims
- 2246US2006261186A1Hand-portable pressurized sprayer apparatus provided with safety valveFONTAINE JAMES R·Filed 2006·Application pending·0 cites
- 2337US3943612ADrive apparatus for tenter framesCAMPBELL BARBARA COX·Filed 1975·Granted Mar 16, 1976·4 cites·7 claims
- 2428US11466521B2Platform assemblyOSBIT LTD·Filed 2020·Granted Oct 11, 2022·0 cites·20 claims
- 2528USD533624SShower head assemblyCHAPIN MFG INC·Filed 2005·Granted Dec 12, 2006·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →