Inventor · disambiguated record
David L. Ramsey
Also filed as: RAMSEY DAVID · RAMSEY DAVID L · RAMSEY DAVID LEE
16 granted patents·1 pending application·96 citations·filing 1988–2019
92Inventor score
Top patents by PatentIndex Score
17 records- 0178USD317575SDevice for hanging suspended objects on a wallRAMSEY DAVID L·Filed 1988·Granted Jun 18, 1991·21 cites·1 claims
- 0274US9795571B2Pulsed release phenylephrine dosage formsPROCTER & GAMBLE·Filed 2015·Granted Oct 24, 2017·1 cites·19 claims
- 0373US5759406AAdsorption process for organic base recovery from aqueous brine solutionsGEN ELECTRIC·Filed 1997·Granted Jun 2, 1998·14 cites·9 claims
- 0471US10035468B2Clamping rackMIFSUD THOMAS·Filed 2017·Granted Jul 31, 2018·4 cites·14 claims
- 0569US5804525AMethod for making polycarbonatesGEN ELECTRIC·Filed 1996·Granted Sep 8, 1998·19 cites·7 claims
- 0665US10517840B2Method for relieving sinus congestionPROCTER & GAMBLE·Filed 2019·Granted Dec 31, 2019·0 cites·19 claims
- 0760US10278930B2Method for relieving sinus congestionPROCTER & GAMBLE·Filed 2017·Granted May 7, 2019·0 cites·18 claims
- 0858US5519105AMethod for making polycarbonatesGEN ELECTRIC·Filed 1994·Granted May 21, 1996·9 cites·11 claims
- 0952US10376478B2Pulsed release phenylephrine dosage formsPROCTER & GAMBLE·Filed 2017·Granted Aug 13, 2019·0 cites·12 claims
- 1052US5391692AMethod for making aromatic polycarbonatesGEN ELECTRIC·Filed 1994·Granted Feb 21, 1995·8 cites·13 claims
- 1149US2015053138A1Automated pet feeding apparatusRAMSEY DAVID·Filed 2014·Application pending·0 cites
- 1248USD817852SGripping rackMIFSUD THOMAS·Filed 2017·Granted May 15, 2018·6 cites·1 claims
- 1344US5416185AProcess for efficient phosgene usage in the preparation of polycarbonatesGEN ELECTRIC·Filed 1993·Granted May 16, 1995·5 cites·17 claims
- 1443US5510449ACatalyst system for polycarbonate manufactureGEN ELECTRIC·Filed 1994·Granted Apr 23, 1996·4 cites·14 claims
- 1540US5739257ABinary phase transfer/amine catalyst for making aromatic polycarbonatesGEN ELECTRIC·Filed 1996·Granted Apr 14, 1998·5 cites·9 claims
- 1639US6887070B1Fired furnace operation and apparatusEQUISTAR CHEM LP·Filed 2004·Granted May 3, 2005·0 cites·11 claims
- 1730US5744416ACatalyst system for polycarbonate manufactureGEN ELECTRIC·Filed 1996·Granted Apr 28, 1998·0 cites·11 claims
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