Inventor · disambiguated record
Michael Eric Johnson
Also filed as: JOHNSON JR MICHAEL E · JOHNSON MICHAEL · JOHNSON MICHAEL E · JOHNSON MICHAEL ERIC
13 granted patents·7 pending applications·414 citations·filing 1976–2024
92Inventor score
Files withTRC SERVICES INC6JOHNSON MICHAEL ERIC4FIELD STEVEN E3DEVICOR MEDICAL PRODUCTS INC2E SYSTEMS INC2
Top patents by PatentIndex Score
20 records- 0194US4216497AApparatus for monitoring a multichannel receiverE SYSTEMS INC·Filed 1976·Granted Aug 5, 1980·124 cites·29 claims
- 0293US4388644AApparatus for monitoring a multichannel receiverE SYSTEMS INC·Filed 1980·Granted Jun 14, 1983·168 cites·31 claims
- 0388US8622924B2Needle tip for biopsy deviceSPEEG TREVOR W V·Filed 2008·Granted Jan 7, 2014·50 cites·20 claims
- 0483US10508522B2Automatic sucker rod spacing device and methods of using sameTRC SERVICES INC·Filed 2017·Granted Dec 17, 2019·5 cites·34 claims
- 0583US8088081B2Core biopsy deviceFIELD STEVEN E·Filed 2005·Granted Jan 3, 2012·40 cites·36 claims
- 0679US12511507B2Sucker rod and tubular identification and trackingTRC SERVICES INC·Filed 2024·Granted Dec 30, 2025·0 cites·33 claims
- 0778US10195699B2Sucker rodTRC SERVICES INC·Filed 2015·Granted Feb 5, 2019·5 cites·9 claims
- 0875US9278412B2Sucker rodJOHNSON MICHAEL ERIC·Filed 2012·Granted Mar 8, 2016·4 cites·13 claims
- 0975US8568334B2Core biopsy deviceFIELD STEVEN E·Filed 2008·Granted Oct 29, 2013·15 cites·22 claims
- 1072US12421807B2Connection assembly and method to assemble sucker rodTRC SERVICES INC·Filed 2024·Granted Sep 23, 2025·0 cites·21 claims
- 1171US11199053B2Sucker rod with adhesive-attached end pieceTRC SERVICES INC·Filed 2020·Granted Dec 14, 2021·1 cites·20 claims
- 1267US11168549B2Automated sucker rod spacing device and associated methodsTRC SERVICES INC·Filed 2019·Granted Nov 9, 2021·1 cites·26 claims
- 1352US10874841B2Biopsy site marker applierDEVICOR MEDICAL PRODUCTS INC·Filed 2014·Granted Dec 29, 2020·1 cites·17 claims
- 1451US2014100478A1Needle tip for biopsy deviceDEVICOR MEDICAL PRODUCTS INC·Filed 2013·Application pending·0 cites
- 1551US2016144415A1Sucker rodJOHNSON MICHAEL ERIC·Filed 2016·Application pending·0 cites
- 1649US2009216151A1Biopsy Probe With Hypodermic LumenSPEEG TREVOR W V·Filed 2008·Application pending·0 cites
- 1747US2009131819A1User Interface On Biopsy DeviceRITCHIE PAUL G·Filed 2007·Application pending·0 cites
- 1846US2016151819A1Sucker rodJOHNSON MICHAEL ERIC·Filed 2016·Application pending·0 cites
- 1946US2012059277A1Core biopsy deviceFIELD STEVEN E·Filed 2011·Application pending·0 cites
- 2039US2015300148A1Methods of inspecting oilfield toolsJOHNSON MICHAEL ERIC·Filed 2014·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Michael Eric Johnson 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 →