Inventor · disambiguated record
Keith Birch
Also filed as: BIRCH KEITH · Birch Keith Paul
2 granted patents·1 pending application·11 citations·filing 1989–2016
49Inventor score
Top patents by PatentIndex Score
3 records- 0146US4979687AReeling apparatusSHAW FRANCIS & CO LTD·Filed 1989·Granted Dec 25, 1990·11 cites·9 claims
- 0231US11131178B2Injection water pre-treatment and injection system and methodVETCO GRAY SCANDINAVIA AS·Filed 2016·Granted Sep 28, 2021·0 cites·12 claims
- 0329US2016304372A1Subsurface water treatment systemGEN ELECTRIC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →