Inventor · disambiguated record
John W. Walch
Also filed as: WALCH JOHN W
7 granted patents·206 citations·filing 1978–1995
88Inventor score
Top patents by PatentIndex Score
7 records- 0191US4200978AShield for grass trimmerMC GRAW EDISON CO·Filed 1978·Granted May 6, 1980·52 cites·10 claims
- 0284USD345830SCleaning deviceTRC ACQUISITION CORP·Filed 1991·Granted Apr 5, 1994·27 cites·1 claims
- 0382US5311638ACleaning deviceREGINA CO·Filed 1993·Granted May 17, 1994·64 cites·13 claims
- 0471USD346247SCleaning deviceTRC ACQUISITION CORP·Filed 1991·Granted Apr 19, 1994·15 cites·1 claims
- 0562USD346467SCleaning deviceTRC ACQUISITION CORP·Filed 1991·Granted Apr 26, 1994·11 cites·1 claims
- 0657US5448794ACorded handheld vacuum cleanerELECTROLUX CORP·Filed 1993·Granted Sep 12, 1995·22 cites·13 claims
- 0745US5551122ACorded handheld vacuum cleanerELECTROLUX CORP·Filed 1995·Granted Sep 3, 1996·15 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →