Inventor · disambiguated record
Nancy S. Sherwood
Also filed as: SHERWOOD NANCY · SHERWOOD NANCY S · SHERWOOD NANCY SPICER
13 granted patents·156 citations·filing 1974–2018
91Inventor score
Files withCALGON CORP7THE FRAZER AND CRUICKSHANK LIVING TRUST DATED 3/24/19822THE FRAZER AND CRUICKSHANK LIVING TRUST DATED MAR 24 19822FRAZER AND CRUICKSHANK LIVING TRUST DATED 3/24/1982 THE1HAYES MISSY1
Top patents by PatentIndex Score
13 records- 0188US10479704B2Proppants for removal of contaminants from fluid streams and methods of using sameTHE FRAZER AND CRUICKSHANK LIVING TRUST DATED MAR 24 1982·Filed 2018·Granted Nov 19, 2019·5 cites·9 claims
- 0275US4484631AUse of polyampholytes to enhance oil and/or gas recoveryCALGON CORP·Filed 1982·Granted Nov 27, 1984·34 cites·4 claims
- 0374US5457083ASynergistic antimicrobial combination of polyether phosphonates and non-oxidizing biocidesCALGON CORP·Filed 1992·Granted Oct 10, 1995·22 cites·5 claims
- 0472US3948783AProcess for the secondary and tertiary recovery of petroleumCALGON CORP·Filed 1974·Granted Apr 6, 1976·25 cites·3 claims
- 0568US9932244B2Proppants for removal of contaminants from fluid streams and methods of using sameTHE FRAZER AND CRUICKSHANK LIVING TRUST DATED MAR 24 1982·Filed 2015·Granted Apr 3, 2018·1 cites·15 claims
- 0666US5124046AMethod for controlling calcium carbonate scaling in high pH aqueous systemsCALGON CORP·Filed 1990·Granted Jun 23, 1992·31 cites·4 claims
- 0764US9725335B2Removal of copper from aqueous streams using an iron promoted activated aluminaTHE FRAZER AND CRUICKSHANK LIVING TRUST DATED 3/24/1982·Filed 2014·Granted Aug 8, 2017·1 cites·10 claims
- 0860US9822296B2Proppants for removal of contaminants from fluid streams and methods of using sameHAYES MISSY·Filed 2012·Granted Nov 21, 2017·1 cites·13 claims
- 0958US10526215B2Selenium and other contaminants removal processTHE FRAZER AND CRUICKSHANK LIVING TRUST DATED 3/24/1982·Filed 2015·Granted Jan 7, 2020·1 cites·15 claims
- 1058US5262061AZinc, iron and manganese stabilization using polyether polyamino methylene phosphonatesCALGON CORP·Filed 1992·Granted Nov 16, 1993·23 cites·7 claims
- 1153US10301192B2Removal of copper from aqueous streams using an iron promoted activated aluminaFRAZER AND CRUICKSHANK LIVING TRUST DATED 3/24/1982 THE·Filed 2017·Granted May 28, 2019·0 cites·8 claims
- 1241US4867945AMethod of inhibiting the corrosion of copper and copper alloysCALGON CORP·Filed 1987·Granted Sep 19, 1989·6 cites·2 claims
- 1340US4717543AMethod of inhibiting the corrosion of copper and copper alloysCALGON CORP·Filed 1986·Granted Jan 5, 1988·6 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Nancy S. Sherwood files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →