Inventor · disambiguated record
Stephen H. Hall
Also filed as: HALL SR STEPHEN H · HALL STEPHEN H
6 granted patents·56 citations·filing 1975–2014
80Inventor score
Top patents by PatentIndex Score
6 records- 0178US8699025B2Method and apparatus for measuring hexavalent chromium in waterHALL STEPHEN H·Filed 2011·Granted Apr 15, 2014·4 cites·8 claims
- 0255US5450900AWell fluid isolation and sample apparatus and methodBATTELLE MEMORIAL INSTITUTE·Filed 1994·Granted Sep 19, 1995·29 cites·20 claims
- 0353US9618393B2Apparatus for measuring hexavalent chromium in waterFREESTONE ENV SERVICES INC·Filed 2014·Granted Apr 11, 2017·1 cites·9 claims
- 0439US5460224AWell purge and sample apparatus and methodBATTELLE MEMORIAL INSTITUTE·Filed 1993·Granted Oct 24, 1995·14 cites·13 claims
- 0538US5490916ACapillary reference half-cellBATTELLE MEMORIAL INSTITUTE·Filed 1993·Granted Feb 13, 1996·7 cites·18 claims
- 0625US3953572ARemoval of boron from MgCl2 brinesNL INDUSTRIES INC·Filed 1975·Granted Apr 27, 1976·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →