Inventor · disambiguated record
Otis G. Erich, Jr.
Also filed as: ERICH JR OTIS G
7 granted patents·144 citations·filing 1977–1988
86Inventor score
Files withUNION OIL CO7
Top patents by PatentIndex Score
7 records- 0188US4813029AGeophone apparatus and a seismic exploration methodUNION OIL CO·Filed 1981·Granted Mar 14, 1989·70 cites·19 claims
- 0271US4234053ASeismic exploration method using a rotating eccentric weight seismic sourceUNION OIL CO·Filed 1978·Granted Nov 18, 1980·22 cites·15 claims
- 0353US5007031AApparatus for positioning geophones in shallow holesUNION OIL CO·Filed 1988·Granted Apr 9, 1991·18 cites·16 claims
- 0448US4143737ARotating eccentric weight seismic sources and a seismic exploration methodUNION OIL CO·Filed 1977·Granted Mar 13, 1979·12 cites·24 claims
- 0544US4327814ARotating eccentric weight apparatus and method for generating coded shear wave signalsUNION OIL CO·Filed 1981·Granted May 4, 1982·10 cites·8 claims
- 0635US4754438AGeophone testing apparatusUNION OIL CO·Filed 1985·Granted Jun 28, 1988·7 cites·3 claims
- 0733US4302825ARotating eccentric weight apparatus and method for generating coded shear wave signalsUNION OIL CO·Filed 1980·Granted Nov 24, 1981·5 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Otis G. Erich, Jr. 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 →