Inventor · disambiguated record
David Pye
Also filed as: FISCHER PAUL W · PYE DAVID · PYE DAVID S
18 granted patents·4 pending applications·595 citations·filing 1974–2019
95Inventor score
Top patents by PatentIndex Score
22 records- 0196US4192753AWell completion and workover fluid having low fluid lossUNION OIL CO·Filed 1978·Granted Mar 11, 1980·99 cites·28 claims
- 0294US3979305ALow fluid loss additive compositionUNION OIL CO·Filed 1974·Granted Sep 7, 1976·49 cites·18 claims
- 0393US3979304AMethod for drilling and treating subterranean formations using a low fluid loss agentUNION OIL CO·Filed 1974·Granted Sep 7, 1976·43 cites·8 claims
- 0491US4088583AComposition and method for drilling high temperature reservoirsUNION OIL CO·Filed 1976·Granted May 9, 1978·63 cites·19 claims
- 0586US4498543AMethod for placing a liner in a pressurized wellUNION OIL CO·Filed 1983·Granted Feb 12, 1985·108 cites·12 claims
- 0686US4201678AFoam drilling and workover in high temperature wellsUNION OIL CO·Filed 1978·Granted May 6, 1980·45 cites·19 claims
- 0785US3989632AMethod of conducting drilling operationsUNION OIL CO·Filed 1975·Granted Nov 2, 1976·44 cites·10 claims
- 0880US10435638B2Pyrolysis processing of solid waste from a water treatment plantC6 TECH INC·Filed 2016·Granted Oct 8, 2019·2 cites·14 claims
- 0976US8562699B2Pyrolysis waste and biomass treatmentPYE DAVID·Filed 2010·Granted Oct 22, 2013·2 cites·4 claims
- 1075US4088190ACarbon dioxide foam floodingUNION OIL CO·Filed 1977·Granted May 9, 1978·24 cites·14 claims
- 1174US9410094B2Pyrolysis waste and biomass treatmentGREEN WASTE ENERGY INC·Filed 2013·Granted Aug 9, 2016·2 cites·15 claims
- 1271US4121674AMethod for foam drilling using a biodegradable foaming agentUNION OIL CO·Filed 1977·Granted Oct 24, 1978·21 cites·12 claims
- 1370US4036764AMethod of foam drilling using a sulfoacetate foaming agentUNION OIL CO·Filed 1975·Granted Jul 19, 1977·22 cites·9 claims
- 1469US4120369AMethod for drilling a well through unconsolidated dolomite formationsUNION OIL CO·Filed 1977·Granted Oct 17, 1978·21 cites·18 claims
- 1568US11113596B2Select one of plurality of neural networksLONGSAND LTD·Filed 2015·Granted Sep 7, 2021·2 cites·20 claims
- 1664US4161222AMethod for reducing contaminant emissions in gas drilling operationsUNION OIL CO·Filed 1978·Granted Jul 17, 1979·25 cites·17 claims
- 1763US2020002630A1Pyrolysis processing of solid waste from a water treatment plantPYE DAVID·Filed 2019·Application pending·0 cites
- 1859US4092252AControlling corrosion in gas-containing aqueous drilling fluidUNION OIL CO·Filed 1976·Granted May 30, 1978·15 cites·16 claims
- 1940US4121664ABiodegradable foaming agent in drilling and workover operationsUNION OIL CO·Filed 1977·Granted Oct 24, 1978·8 cites·12 claims
- 2036US2016133251A1Processing of audio dataLONGSAND LTD·Filed 2013·Application pending·0 cites
- 2126US2018082703A1Suitability score based on attribute scoresLONGSAND LTD·Filed 2015·Application pending·0 cites
- 2225US2018005626A1Obfuscating training dataLONGSAND LTD·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David Pye 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 →