Inventor · disambiguated record
John R. Pierce
Also filed as: PIERCE JOHN · PIERCE JOHN R
18 granted patents·465 citations·filing 1987–2000
95Inventor score
Top patents by PatentIndex Score
18 records- 0189US4963596ATreatment and after-treatment of metal with carbohydrate-modified polyphenol compoundsHENKEL CORP·Filed 1987·Granted Oct 16, 1990·50 cites·18 claims
- 0283US5298289APolyphenol compounds and treatment and after-treatment of metal, plastic and painted surfaces therewithHENKEL CORP·Filed 1993·Granted Mar 29, 1994·59 cites·20 claims
- 0379US4970264ATreatment and after-treatment of metal with amine oxide-containing polyphenol compoundsHENKEL CORP·Filed 1987·Granted Nov 13, 1990·26 cites·15 claims
- 0478US5039770ATreatment and after-treatment of metal with polyphenol compoundsHENKEL CORP·Filed 1987·Granted Aug 13, 1991·28 cites·17 claims
- 0577US5116912APolyphenolic compounds and uses thereofHENKEL CORP·Filed 1991·Granted May 26, 1992·36 cites·20 claims
- 0675US5653625AStar shot wave tumbler systemsFiled 1996·Granted Aug 5, 1997·44 cites·6 claims
- 0774US5891952AAqueous compositions containing polyphenol copolymers and processes for their preparationHENKEL CORP·Filed 1997·Granted Apr 6, 1999·27 cites·20 claims
- 0874US5226976AMetal treatmentHENKEL CORP·Filed 1991·Granted Jul 13, 1993·37 cites·24 claims
- 0973US5068299ACarbodohydrate-modifed polyphenol compounds and compositions containing themHENKEL CORP·Filed 1990·Granted Nov 26, 1991·26 cites·18 claims
- 1072US5266410ATreatment and after-treatment of metal with polyphenol compoundsHENKEL CORP·Filed 1992·Granted Nov 30, 1993·32 cites·20 claims
- 1169US5063089AHydroxylamine or amine oxide containing polyphenolic compounds and uses thereofHENKEL CORP·Filed 1990·Granted Nov 5, 1991·20 cites·18 claims
- 1266US6899770B1Composition and process for treating metal surfacesHENKEL CORP·Filed 2000·Granted May 31, 2005·7 cites·24 claims
- 1366US5401337ASecondary protective treatments for metal surfacesHENKEL CORP·Filed 1993·Granted Mar 28, 1995·24 cites·10 claims
- 1458US6328816B1Composition and method for degreasing metal surfacesHENKEL CORP·Filed 1996·Granted Dec 11, 2001·17 cites·3 claims
- 1553US6211132B1Composition and method for deburring/degreasing/cleaning metal surfacesHENKEL CORP·Filed 1997·Granted Apr 3, 2001·17 cites·20 claims
- 1643US6251847B1Composition and method for cleaning/degreasing metal surfaces, especially composites of copper and aluminumHENKEL CORP·Filed 1997·Granted Jun 26, 2001·8 cites·18 claims
- 1741US5703313APassive nonlinear filter for digital musical sound synthesizer and methodUNIV LELAND STANFORD JUNIOR·Filed 1994·Granted Dec 30, 1997·6 cites·5 claims
- 1831US5948178AComposition and process for forming a solid adherent protective coating on metal surfacesHENKEL CORP·Filed 1995·Granted Sep 7, 1999·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →