Inventor · disambiguated record
Roger Perkins
Also filed as: PERKINS ROGER · PERKINS ROGER B
7 granted patents·1 pending application·133 citations·filing 1976–2013
87Inventor score
Top patents by PatentIndex Score
8 records- 0190US4729053AProcess for the production of a lightning arrester and products produced therebyBBC BROWN BOVERI & CIE·Filed 1985·Granted Mar 1, 1988·43 cites·5 claims
- 0279US4767729AProcess for the preparation of a voltage-dependent ceramic resistance based on ZnO, and a resistance produced by the processBBC BROWN BOVERI & CIE·Filed 1986·Granted Aug 30, 1988·27 cites·6 claims
- 0374US4135953APermanent magnet and method of making itBBC BROWN BOVERI & CIE·Filed 1977·Granted Jan 23, 1979·18 cites·10 claims
- 0473US4081297ARE-Co-Fe-transition metal permanent magnet and method of making itBBC BROWN BOVERI & CIE·Filed 1976·Granted Mar 28, 1978·18 cites·10 claims
- 0568US4559167AZinc oxide varistorBBC BROWN BOVERI & CIE·Filed 1984·Granted Dec 17, 1985·21 cites·9 claims
- 0656US2014190208A1Device for shielding a ringPERKINS ROGER B·Filed 2013·Application pending·0 cites
- 0738US4816959ALightning arrester including an active resistor coreASEA BROWN BOVERI·Filed 1987·Granted Mar 28, 1989·5 cites·1 claims
- 0827US4811478AProcess for the production of a lightning arrester and products produced therebyBBC BROWN BOVERI & CIE·Filed 1987·Granted Mar 14, 1989·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →