Inventor · disambiguated record
Elmer L. Thomas
Also filed as: THOMAS ELMER L
7 granted patents·156 citations·filing 1975–1987
87Inventor score
Files withCHEVRON RES7
Top patents by PatentIndex Score
7 records- 0189USD277853SConference wireless microphone housing or the likeCHEVRON RES·Filed 1982·Granted Mar 5, 1985·28 cites·1 claims
- 0271US4039806ASynthesizer for testing elements of a geophysical data acquisition systemCHEVRON RES·Filed 1975·Granted Aug 2, 1977·27 cites·3 claims
- 0370US4070618ADigital phase and frequency meterCHEVRON RES·Filed 1976·Granted Jan 24, 1978·20 cites·10 claims
- 0464US4434507AFree standing transmitting microphoneCHEVRON RES·Filed 1982·Granted Feb 28, 1984·31 cites·7 claims
- 0564US4043175AAutomatic method and apparatus for digitally indicating response characteristics of geophones of a geophysical data acquisition systemCHEVRON RES·Filed 1975·Granted Aug 23, 1977·21 cites·18 claims
- 0657US4804906AMethod and apparatus for well casing inspectionCHEVRON RES·Filed 1987·Granted Feb 14, 1989·20 cites·29 claims
- 0741US4015202AAutomatic measurement and display of resonance frequencies of seismic detection elementsCHEVRON RES·Filed 1975·Granted Mar 29, 1977·9 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Elmer L. Thomas 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 →