Inventor · disambiguated record
Karl A. Northrup
Also filed as: NORTHRUP KARL A
7 granted patents·229 citations·filing 1975–1983
88Inventor score
Files withXEROX CORP7
Top patents by PatentIndex Score
7 records- 0192US4329622ALow pressure gas discharge lamp with increased end illuminationXEROX CORP·Filed 1980·Granted May 11, 1982·70 cites·4 claims
- 0287US4529912AMechanism and method for controlling the temperature and light output of a fluorescent lampXEROX CORP·Filed 1983·Granted Jul 16, 1985·49 cites·6 claims
- 0384US4533853AMechanism and method for controlling the temperature and output of a fluorescent lampXEROX CORP·Filed 1983·Granted Aug 6, 1985·41 cites·4 claims
- 0483US4533854AMechanism and method for controlling the temperature and output of a fluorescent lampXEROX CORP·Filed 1983·Granted Aug 6, 1985·41 cites·4 claims
- 0569US4355891AReduction of lamp strobing effects in a reproducing apparatusXEROX CORP·Filed 1980·Granted Oct 26, 1982·10 cites·17 claims
- 0663US3983441AMultiple pinch incandescent lampXEROX CORP·Filed 1975·Granted Sep 28, 1976·14 cites·4 claims
- 0744US4317066AGaseous discharge lamp having novel electrode mountingsXEROX CORP·Filed 1980·Granted Feb 23, 1982·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →