Inventor · disambiguated record
Douglas D. Hall
Also filed as: HALL DOUGLAS · HALL DOUGLAS D · HALL DOUGLAS DREW
9 granted patents·2 pending applications·273 citations·filing 1981–2016
89Inventor score
Top patents by PatentIndex Score
11 records- 0188US9562616B2Spring assemblies for use in gas turbine engines and methods for their manufactureHONEYWELL INT INC·Filed 2013·Granted Feb 7, 2017·10 cites·17 claims
- 0288US6016880ARotating drilling head with spaced apart sealsVETCO GRAY INC ABB·Filed 1997·Granted Jan 25, 2000·145 cites·20 claims
- 0383US4443130ARemotely operated tool for performing functions under waterARMCO INC·Filed 1981·Granted Apr 17, 1984·40 cites·18 claims
- 0480US4405263AUnderwater devices with remotely operated latch meansARMCO INC·Filed 1981·Granted Sep 20, 1983·35 cites·25 claims
- 0560US4746246ARemotely actuated cutting assembly for broken underwater guidelinesNAT OILWELL·Filed 1981·Granted May 24, 1988·26 cites·15 claims
- 0653US9802456B2Damper with integrated electronicsTENNECO AUTOMOTIVE OPERATING CO INC·Filed 2014·Granted Oct 31, 2017·2 cites·8 claims
- 0745US7066267B2Downhole tubular splitter assembly and methodDRIL QUIP INC·Filed 2004·Granted Jun 27, 2006·8 cites·28 claims
- 0844US2018154498A1Burnishing assembly systems and methodsONESUBSEA IP UK LTD·Filed 2016·Application pending·0 cites
- 0934US7436951B2Portable interconnection system for incompatible audio communication networksJPS COMMUNICATIONS INC·Filed 2004·Granted Oct 14, 2008·0 cites·17 claims
- 1034US2005067167A1Radial penetrator assembly and methodFiled 2003·Application pending·0 cites
- 1129US6176328B1Drill pipe protection rings and method of using the sameVETCO GRAY INC ABB·Filed 1999·Granted Jan 23, 2001·7 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Douglas D. Hall 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 →