Inventor · disambiguated record
H. Frank Morrison
Also filed as: MORRISON H F · MORRISON H FRANK
11 granted patents·2 pending applications·94 citations·filing 1977–2017
88Inventor score
Top patents by PatentIndex Score
13 records- 0183US8008921B2Surveying using vertical electromagnetic sources that are towed along with survey receiversWESTERNGECO LLC·Filed 2008·Granted Aug 30, 2011·10 cites·19 claims
- 0280US8332191B2Correction factors for electromagnetic measurements made through conductive materialROSTHAL RICHARD A·Filed 2009·Granted Dec 11, 2012·20 cites·25 claims
- 0374US10114141B2Subsurface resistivity modeling with electromagnetic fields using a conductive casingGROUNDMETRICS INC·Filed 2015·Granted Oct 30, 2018·2 cites·23 claims
- 0472US8614578B2Attenuation of electromagnetic signals passing through conductive materialGAO GUOZHONG·Filed 2009·Granted Dec 24, 2013·11 cites·21 claims
- 0571US8378685B2Surveying a subterranean structure using a vertically oriented electromagnetic sourceWESTERNGECO LLC·Filed 2010·Granted Feb 19, 2013·3 cites·15 claims
- 0661US5855721ANon-destructive method of determining the position and condition of reinforcing steel in concreteUNIV CALIFORNIA·Filed 1997·Granted Jan 5, 1999·37 cites·10 claims
- 0750US4165480AProspecting system using rotating superconducting electromagnetic dipoleUNIV CALIFORNIA·Filed 1977·Granted Aug 21, 1979·11 cites·6 claims
- 0849US9103927B2Providing a tow cable having plural electromagnetic receivers and one or more electromagnetic sourcesALUMBAUGH DAVID L·Filed 2012·Granted Aug 11, 2015·0 cites·15 claims
- 0943US10126456B2System and method for groundwater detection and evaluationUNIV CALIFORNIA·Filed 2016·Granted Nov 13, 2018·0 cites·20 claims
- 1038US9823379B2System and method for mapping deep anomalous zones of electrical resistivityGROUNDMETRICS INC·Filed 2015·Granted Nov 21, 2017·0 cites·24 claims
- 1136US2012130641A1Marine Source To Borehole Electromagnetic Mapping Of Sub-Bottom Electrical ResistivityMORRISON H FRANK·Filed 2010·Application pending·0 cites
- 1236US2019162872A1System and Method of Estimating Leakage Current Distribution Along Long Conductor Extending into the EarthGROUNDMETRICS INC·Filed 2017·Application pending·0 cites
- 1335US10024995B2System and method for elevated source to borehole electromagnetic surveyKRAMER GARRETT·Filed 2010·Granted Jul 17, 2018·0 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when H. Frank Morrison 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 →