Inventor · disambiguated record
David Alan Welsh
Also filed as: MILKOVICH RALPH · WELSH DAVID · WELSH DAVID A · WELSH DAVID ALAN
9 granted patents·1 pending application·87 citations·filing 1979–2016
86Inventor score
Files withHALLIBURTON ENERGY SERVICES INC4PPG INDUSTRIES INC2ARCO POLYMERS INC1ENERGY MOTOR CONTROL INC1UNILENS CORP USA1
Top patents by PatentIndex Score
10 records- 0177US10365389B2MEMS-based transducers on a downhole toolHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Jul 30, 2019·2 cites·20 claims
- 0276US4632957AEthylenically unsaturated ethylene and propylene ureas containing alkylene urea groups or alkylene urethane groups, useful in coating compositionsPPG INDUSTRIES INC·Filed 1984·Granted Dec 30, 1986·26 cites·11 claims
- 0370US4380601AThermosetting catonic acrylic latices and their use in coating compositionsPPG INDUSTRIES INC·Filed 1981·Granted Apr 19, 1983·20 cites·5 claims
- 0466US10760410B2Stitching methods to enhance beamforming resultsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Sep 1, 2020·1 cites·17 claims
- 0558US5381190ALow vision lens assembly with adhesive coupling ringUNILENS CORP USA·Filed 1992·Granted Jan 10, 1995·22 cites·13 claims
- 0656US11208884B2Acoustic array signal processing for flow detectionHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Dec 28, 2021·0 cites·20 claims
- 0750US4209594AThermoplastic elastomer blends having improved resistance to oilARCO POLYMERS INC·Filed 1979·Granted Jun 24, 1980·10 cites·4 claims
- 0832US4629960AInduction motor controllerENERGY MOTOR CONTROL INC·Filed 1984·Granted Dec 16, 1986·6 cites·9 claims
- 0930US10117913B2Antigens of Pneumocystis murina and uses thereofUNIV LOUISIANA STATE·Filed 2015·Granted Nov 6, 2018·0 cites·6 claims
- 1029US2017350235A1Acoustic source identification apparatus, systems, and methodsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David Alan Welsh 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 →