Assignee
STRATA BIT CORP
US·20 granted patents·1,671 citations·filing 1980–1987
Top patents by PatentIndex Score
20 records- 0198US4499795AMethod of drill bit manufactureSTRATA BIT CORP·Filed 1983·Granted Feb 19, 1985·334 cites·22 claims
- 0296US4592433ACutting blank with diamond strips in groovesSTRATA BIT CORP·Filed 1984·Granted Jun 3, 1986·153 cites·20 claims
- 0396US4499958ADrag blade bit with diamond cutting elementsSTRATA BIT CORP·Filed 1983·Granted Feb 19, 1985·198 cites·15 claims
- 0495US4705123ACutting element for a rotary drill bit and method for making sameSTRATA BIT CORP·Filed 1986·Granted Nov 10, 1987·36 cites·21 claims
- 0595US4640374ARotary drill bitSTRATA BIT CORP·Filed 1985·Granted Feb 3, 1987·146 cites·5 claims
- 0695US4396077ADrill bit with carbide coated cutting faceSTRATA BIT CORP·Filed 1981·Granted Aug 2, 1983·154 cites·15 claims
- 0794US4662896AMethod of making an abrasive cutting elementSTRATA BIT CORP·Filed 1986·Granted May 5, 1987·78 cites·6 claims
- 0894US4538691ARotary drill bitSTRATA BIT CORP·Filed 1984·Granted Sep 3, 1985·123 cites·22 claims
- 0984US4323130ADrill bitSTRATA BIT CORP·Filed 1980·Granted Apr 6, 1982·63 cites·16 claims
- 1083US4494618ADrill bit with self cleaning nozzleSTRATA BIT CORP·Filed 1982·Granted Jan 22, 1985·61 cites·4 claims
- 1183US4478297ADrill bit having cutting elements with heat removal coresSTRATA BIT CORP·Filed 1982·Granted Oct 23, 1984·62 cites·4 claims
- 1278US4739845ANozzle for rotary bitSTRATA BIT CORP·Filed 1987·Granted Apr 26, 1988·51 cites·4 claims
- 1376US4533005AAdjustable nozzleSTRATA BIT CORP·Filed 1983·Granted Aug 6, 1985·48 cites·17 claims
- 1475US4381825ADrill bit nozzleSTRATA BIT CORP·Filed 1981·Granted May 3, 1983·45 cites·22 claims
- 1566US4724913ADrill bit and improved cutting elementSTRATA BIT CORP·Filed 1983·Granted Feb 16, 1988·33 cites·11 claims
- 1665US4442909ADrill bitSTRATA BIT CORP·Filed 1981·Granted Apr 17, 1984·31 cites·3 claims
- 1753US4716975ACutting element having a stud and cutting disk bonded theretoSTRATA BIT CORP·Filed 1987·Granted Jan 5, 1988·22 cites·10 claims
- 1852US4632196ADrill bit with shrouded cutterSTRATA BIT CORP·Filed 1984·Granted Dec 30, 1986·17 cites·2 claims
- 1937US4727945ACutting element having diamond cutting blank reinforced by a shoulderSTRATA BIT CORP·Filed 1986·Granted Mar 1, 1988·9 cites·9 claims
- 2030US4658918AThreaded nozzle for a drill bitSTRATA BIT CORP·Filed 1985·Granted Apr 21, 1987·7 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →