Inventor · disambiguated record

John Kleinhans

Also filed as: KLEINHANS JOHN · KLEINHANS JOHN W

2 granted patents·20 citations·filing 1991–2003

59Inventor score

Technology areasE21B G10D

Files withBP CORP NORTH AMERICA INC1 WOODSTOCK PERCUSSION INC1

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2 records

0142US7104329B2Marine bottomed tensioned riser and methodBP CORP NORTH AMERICA INC·Filed 2003·Granted Sep 12, 2006·13 cites·22 claims
0227US5159138ASupport means for musical percussion elementsWOODSTOCK PERCUSSION INC·Filed 1991·Granted Oct 27, 1992·7 cites·9 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →