Inventor · disambiguated record
Ralph J. Koerner
Also filed as: KOERNER RALPH J · KOERNER RALPH JAMES
10 granted patents·471 citations·filing 1974–2006
92Inventor score
Top patents by PatentIndex Score
10 records- 0196US6883446B2Quilting method and apparatusFiled 2004·Granted Apr 26, 2005·67 cites·34 claims
- 0295US7373891B2Quilting method and apparatus using frame with motion detectorKOERNER RALPH J·Filed 2005·Granted May 20, 2008·35 cites·15 claims
- 0394US6611556B1Identification system for monitoring the presence/absence of members of a defined setFiled 2000·Granted Aug 26, 2003·131 cites·35 claims
- 0492US3943339AInductive loop detector systemCANOGA CONTROLS CORP·Filed 1974·Granted Mar 9, 1976·86 cites·42 claims
- 0591US3989932AInductive loop vehicle detectorCANOGA CONTROLS CORP·Filed 1975·Granted Nov 2, 1976·56 cites·20 claims
- 0689US4449115AApparatus for detecting ferromagnetic materialMINNESOTA MINING & MFG·Filed 1983·Granted May 15, 1984·49 cites·40 claims
- 0787US7210417B2Stitching method and apparatus employing thread payout detectionKOERNER RALPH JAMES·Filed 2006·Granted May 1, 2007·14 cites·23 claims
- 0871US7292628B2Identification system for monitoring the presence / absence of members of a defined setKOERNER RALPH J·Filed 2003·Granted Nov 6, 2007·15 cites·12 claims
- 0961US4945356AStrip material for and a surface mounted inductive loopMINNESOTA MINING & MFG·Filed 1983·Granted Jul 31, 1990·16 cites·23 claims
- 1029US5175540AVariometer system for soaring flightKOERNER RALPH J·Filed 1991·Granted Dec 29, 1992·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →