Assignee
BAKERDRILL INC
9 granted patents·273 citations·filing 1972–1977
Top patents by PatentIndex Score
9 records- 0192US3970335ADual concentric pipesBAKERDRILL INC·Filed 1974·Granted Jul 20, 1976·44 cites·9 claims
- 0289US3948588ASwivel for core drillingBAKERDRILL INC·Filed 1974·Granted Apr 6, 1976·62 cites·4 claims
- 0386US3941196APercussive air hammer and core bit apparatusBAKERDRILL INC·Filed 1974·Granted Mar 2, 1976·45 cites·19 claims
- 0474US4102418ABorehole drilling apparatusBAKERDRILL INC·Filed 1977·Granted Jul 25, 1978·40 cites·11 claims
- 0568US3958645ABore hole air hammerBAKERDRILL INC·Filed 1974·Granted May 25, 1976·27 cites·13 claims
- 0661US4030554ABore hole airhammer and anvil bitBAKERDRILL INC·Filed 1975·Granted Jun 21, 1977·24 cites·26 claims
- 0754US4146097ABore hole air hammerBAKERDRILL INC·Filed 1975·Granted Mar 27, 1979·15 cites·3 claims
- 0846US3944003ABore hole air hammerBAKERDRILL INC·Filed 1972·Granted Mar 16, 1976·10 cites·18 claims
- 0939US3934662ACore bitBAKERDRILL INC·Filed 1974·Granted Jan 27, 1976·6 cites·7 claims
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