Assignee
COTTRELL TECH RES INC
5 granted patents·135 citations·filing 1980–1993
Top patents by PatentIndex Score
5 records- 0190US4336693ARefrigeration process using two-phase turbineCOTTRELL TECH RES INC·Filed 1980·Granted Jun 29, 1982·79 cites·16 claims
- 0257US4335660AApparatus and method for flue gas recirculation in a solid fuel boilerCOTTRELL TECH RES INC·Filed 1980·Granted Jun 22, 1982·22 cites·32 claims
- 0345US5155551ALaser referencing system for refractively scanning interferometerCOTTRELL TECH RES INC·Filed 1991·Granted Oct 13, 1992·14 cites·14 claims
- 0439US5239409AReflectance infrared microscope having high radiation throughputCOTTRELL TECH RES INC·Filed 1991·Granted Aug 24, 1993·8 cites·14 claims
- 0537US5313269AThree-dimensional refractively scanning interferometer having removable optical cartridgeCOTTRELL TECH RES INC·Filed 1993·Granted May 17, 1994·12 cites·42 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →