Inventor · disambiguated record
Mark P. Blackman
Also filed as: BLACKMAN MARK · BLACKMAN MARK P · BLACKMAN MARK PHILIP
11 granted patents·2 pending applications·684 citations·filing 1994–2017
92Inventor score
Top patents by PatentIndex Score
13 records- 0193US5452771ARotary drill bit with improved cutter and seal protectionDRESSER IND·Filed 1994·Granted Sep 26, 1995·167 cites·4 claims
- 0292US5518077ARotary drill bit with improved cutter and seal protectionDRESSER IND·Filed 1995·Granted May 21, 1996·169 cites·12 claims
- 0390US5644956ARotary drill bit with improved cutter and method of manufacturing sameDRESSER IND·Filed 1995·Granted Jul 8, 1997·131 cites·19 claims
- 0489US5429200ARotary drill bit with improved cutterDRESSER IND·Filed 1994·Granted Jul 4, 1995·107 cites·33 claims
- 0567US6802380B2Pressure relief system and methods of use and makingHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Oct 12, 2004·32 cites·33 claims
- 0667US6279671B1Roller cone bit with improved seal gland designFiled 1999·Granted Aug 28, 2001·54 cites·13 claims
- 0762US9782857B2Hybrid drill bit having increased service lifeBAKER HUGHES INC·Filed 2015·Granted Oct 10, 2017·1 cites·21 claims
- 0856US6752223B2Roller cone bit with improved seal gland designHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Jun 22, 2004·19 cites·7 claims
- 0951US7543660B2Roller cone drill bit with debris diverter plugsHALLIBURTON ENERGY SERV INC·Filed 2007·Granted Jun 9, 2009·3 cites·20 claims
- 1045US7484572B2Roller cone drill bit with debris flow paths through associated support armsHALLIBURTON ENERGY SERV INC·Filed 2007·Granted Feb 3, 2009·1 cites·24 claims
- 1138US2011290560A1Early wear detectionBUSKE ROBERT J·Filed 2010·Application pending·0 cites
- 1237US11518562B2Sterile packaging of fluent materialsSTERAFILL LTD·Filed 2017·Granted Dec 6, 2022·0 cites·4 claims
- 1337US2007261891A1Roller Cone Drill Bit With Enhanced Debris Diverter GroovesWILLIAMS MARK E·Filed 2007·Application pending·0 cites
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