Inventor · disambiguated record
Richard Crawshay
Also filed as: CRAWSHAY RICHARD
7 granted patents·116 citations·filing 1974–1989
86Inventor score
Top patents by PatentIndex Score
7 records- 0176US4184581ALoading apparatus for minesCANADIAN MINE SERVICES LTD·Filed 1977·Granted Jan 22, 1980·30 cites·32 claims
- 0276US3992019ADrill head with locking chuckCANADIAN MINE SERVICES LTD·Filed 1975·Granted Nov 16, 1976·29 cites·19 claims
- 0357US4648776AContinuous loading apparatus and methodINCO LTD·Filed 1984·Granted Mar 10, 1987·13 cites·14 claims
- 0451US3951216ADiamond drill supporting apparatusCANADIAN MINE SERVICES LTD·Filed 1974·Granted Apr 20, 1976·20 cites·12 claims
- 0549US5007525ABelt and chain flight conveyorINCO LTD·Filed 1989·Granted Apr 16, 1991·11 cites·6 claims
- 0638US4749326AContinuous loading apparatusINCO LTD·Filed 1986·Granted Jun 7, 1988·8 cites·3 claims
- 0731US4155409ARod puller for rock drillCANADIAN MINE SERVICES LTD·Filed 1977·Granted May 22, 1979·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →