Assignee
HEDLEY PURVIS LTD
GB·8 granted patents·199 citations·filing 1988–1999
Top patents by PatentIndex Score
8 records- 0188US4998453AHydraulic bolt tensionerHEDLEY PURVIS LTD·Filed 1989·Granted Mar 12, 1991·51 cites·7 claims
- 0275US5032048AQuick-fastening nutHEDLEY PURVIS LTD·Filed 1990·Granted Jul 16, 1991·47 cites·6 claims
- 0365US4854197ATorque wrenchesHEDLEY PURVIS LTD·Filed 1988·Granted Aug 8, 1989·21 cites·14 claims
- 0458US6581642B1Pipe testing apparatusHEDLEY PURVIS LTD·Filed 1999·Granted Jun 24, 2003·24 cites·8 claims
- 0556US5142951ATorque wrenchHEDLEY PURVIS LTD·Filed 1991·Granted Sep 1, 1992·18 cites·7 claims
- 0650US4982626AHydraulic torque wrenchHEDLEY PURVIS LTD·Filed 1990·Granted Jan 8, 1991·16 cites·8 claims
- 0748US5979273ATorque wrenchHEDLEY PURVIS LTD·Filed 1996·Granted Nov 9, 1999·15 cites·5 claims
- 0834US5249486ATorque wrenchHEDLEY PURVIS LTD·Filed 1993·Granted Oct 5, 1993·7 cites·6 claims
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