Inventor · disambiguated record
Christopher Dale Johnson
Also filed as: JOHNSON CHRISTOPHER · JOHNSON CHRISTOPHER D · JOHNSON CHRISTOPHER D L · JOHNSON CHRISTOPHER DALE
12 granted patents·5 pending applications·115 citations·filing 2006–2024
90Inventor score
Files withSPRINGETT FRANK BENJAMIN5NAT OILWELL VARCO LP4JOHNSON CHRISTOPHER DALE2BOSTON SCIENT SCIMED INC1CARDIAC PACEMAKERS INC1
Top patents by PatentIndex Score
17 records- 0194US8424607B2System and method for severing a tubularSPRINGETT FRANK BENJAMIN·Filed 2011·Granted Apr 23, 2013·26 cites·28 claims
- 0291US8720564B2Tubular severing system and method of using sameSPRINGETT FRANK BENJAMIN·Filed 2011·Granted May 13, 2014·18 cites·47 claims
- 0390US8807219B2Blowout preventer blade assembly and method of using sameSPRINGETT FRANK BENJAMIN·Filed 2011·Granted Aug 19, 2014·13 cites·37 claims
- 0488US9022104B2Blowout preventer blade assembly and method of using sameSPRINGETT FRANK BENJAMIN·Filed 2011·Granted May 5, 2015·11 cites·15 claims
- 0588US8720565B2Tubular severing system and method of using sameSPRINGETT FRANK BENJAMIN·Filed 2011·Granted May 13, 2014·13 cites·25 claims
- 0680US7738950B2Method and apparatus for identifying potentially misclassified arrhythmic episodesCARDIAC PACEMAKERS INC·Filed 2006·Granted Jun 15, 2010·20 cites·32 claims
- 0776US8978698B2Blowout preventer monitoring system and method of using sameLIOTTA JOSEPH JAMES·Filed 2011·Granted Mar 17, 2015·6 cites·51 claims
- 0871US9580987B2Spherical blowout preventer with energizeable packer seal and method of using sameNAT OILWELL VARCO LP·Filed 2014·Granted Feb 28, 2017·4 cites·32 claims
- 0966US2025186725A1Cricothyrotomy device and uses thereofEDWARD Via COLLEGE OF OSTEOPATHIC MEDICINE·Filed 2024·Application pending·0 cites
- 1064US9068423B2Wellhead connector and method of using sameJOHNSON CHRISTOPHER DALE·Filed 2012·Granted Jun 30, 2015·3 cites·24 claims
- 1159US2023103984A1Lyotropic Gyroid Mesophase Compositions, Polymer Compositions Comprising the Same, Methods of Preparation Thereof, and Methods of Using the SameUNIV COLORADO REGENTS·Filed 2022·Application pending·0 cites
- 1256US9428994B2Blowout preventer monitor with trigger sensor and method of using sameNAT OILWELL VARCO LP·Filed 2014·Granted Aug 30, 2016·1 cites·33 claims
- 1350US2010217309A1Plug for arteriotomy closure and method of useBOSTON SCIENT SCIMED INC·Filed 2009·Application pending·0 cites
- 1449US9708877B2Blowout preventer monitoring system and method of using sameNAT OILWELL VARCO LP·Filed 2015·Granted Jul 18, 2017·0 cites·32 claims
- 1547US2024024644A1Tissue penetrating and biodegradable drug delivery devices and methods of use thereofPANTHER THERAPEUTICS INC·Filed 2023·Application pending·0 cites
- 1640US8948858B2Method and apparatus for identifying potentially misclassified arrhythmic episodesJOHNSON CHRISTOPHER DALE·Filed 2010·Granted Feb 3, 2015·0 cites·20 claims
- 1738US2019234176A1Pressure Control Devices for Sealing Around Tubular MembersNAT OILWELL VARCO LP·Filed 2019·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →