Inventor · disambiguated record
Raymond J. Perraud
Also filed as: PERRAUD RAYMOND · PERRAUD RAYMOND J · PERRAUD RAYMOND JEAN
7 granted patents·112 citations·filing 1976–1980
86Inventor score
Top patents by PatentIndex Score
7 records- 0189US4105081ARock-drilling and bolt-setting apparatusSECOMA·Filed 1976·Granted Aug 8, 1978·35 cites·5 claims
- 0284US4215953ADevice for injecting cartridges of resin for bolting apparatusENVIROTECH CORP·Filed 1978·Granted Aug 5, 1980·27 cites·8 claims
- 0371US4395163AMining applianceSECOMA·Filed 1980·Granted Jul 26, 1983·17 cites·4 claims
- 0456US4300642ADevice for reaming and collecting dust, for a drilling apparatusSECOMA·Filed 1980·Granted Nov 17, 1981·10 cites·3 claims
- 0555US4291771ARotary percussion hydraulic drilling machineSECOMA·Filed 1979·Granted Sep 29, 1981·14 cites·1 claims
- 0633US4326449ADouble acting hydraulic jack with an end of stroke deviceSECOMA·Filed 1980·Granted Apr 27, 1982·3 cites·7 claims
- 0726US4286899AProcess for positioning strengthening rods in mine levels and public worksCELTITE SA·Filed 1980·Granted Sep 1, 1981·6 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →