Assignee
ROCK BIT INTERNATIONAL INC
US·7 granted patents·316 citations·filing 1991–2001
Technology mixE21B7
Top patents by PatentIndex Score
7 records- 0188US5197555ARock bit with vectored insertsROCK BIT INTERNATIONAL INC·Filed 1991·Granted Mar 30, 1993·118 cites·24 claims
- 0284US5145016ARock bit with reaming rowsROCK BIT INTERNATIONAL INC·Filed 1991·Granted Sep 8, 1992·91 cites·28 claims
- 0371US5244050ARock bit with offset tool portROCK BIT INTERNATIONAL INC·Filed 1992·Granted Sep 14, 1993·49 cites·16 claims
- 0457US6167975B1One cone rotary drill bit featuring enhanced groovesROCK BIT INTERNATIONAL INC·Filed 1999·Granted Jan 2, 2001·36 cites·24 claims
- 0551US6435287B2Sharp gage for mill tooth rock bitsROCK BIT INTERNATIONAL INC·Filed 2001·Granted Aug 20, 2002·11 cites·7 claims
- 0633US5454437ARoller cone core bitROCK BIT INTERNATIONAL INC·Filed 1993·Granted Oct 3, 1995·7 cites·9 claims
- 0731US6186250B1Sharp gage for mill tooth rockbitsROCK BIT INTERNATIONAL INC·Filed 1999·Granted Feb 13, 2001·4 cites·9 claims
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