Inventor

Robert W. Klein

36Patents
15h-index
43Co-inventors
81Inventor score

Filing activity: Jun 24, 1976 → Jun 29, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4305936A Topical corticosteroid formulations Human Necessities 105 Expired
US9180010B2 Surface modified unit cell lattice structures for optimized secure freeform fabrication Emerging Cross-Sectional Technologies 95 Active
US4178373A Coal tar gel composition Human Necessities 70 Expired
US4387107A Stable benzoyl peroxide composition Human Necessities 62 Expired
US4497794A Erythromycin/benzoyl peroxide composition for the treatment of acne Human Necessities 56 Expired
US5446028A Anti-acne method and composition Human Necessities 45 Expired
US4692329A Erythromycin/benzoyl peroxide antiacne compositions Human Necessities 43 Expired
US5767098A Anti-acne method and composition Human Necessities 37 Expired
US6013637A Anti-acne method and composition Human Necessities 36 Expired
US4486405A Pigmented cosmetic vehicle containing a mixture of alkoxylated surfactants Human Necessities 36 Expired
US6001380A Medicated applicator sheet for topical drug delivery Human Necessities 25 Expired
US7842095B2 Antibiotic bone cement spacer Human Necessities 24 Active
US4388301A Method and composition for treating acne Human Necessities 22 Expired
US4697768A Flight control system employing complementary filter Physics 17 Expired
US10596660B2 Porous structures produced by additive layer manufacturing Performing Operations; Transporting 16 Active
US4147782A Pharmaceutical detergent composition Human Necessities 14 Expired
US11298747B2 High fatigue strength porous structure Emerging Cross-Sectional Technologies 13 Active
US9445902B2 Platform for soft tissue attachment Performing Operations; Transporting 9 Active
US10877232B1 Connector for multiple cabling arrangements Electricity 6 Active
US4163783A Synergistic compositions and method of use to treat inflammation Emerging Cross-Sectional Technologies 6 Expired
US4152431A Compositions and method of use Emerging Cross-Sectional Technologies 6 Expired
US4137311A Synergistic compositions and method of use Human Necessities 5 Expired
US10614176B2 Surface modified unit cell lattice structures for optimized secure freeform fabrication Emerging Cross-Sectional Technologies 4 Active
USD967960S1 Porous tibial implant General 3 Active
US4152430A Synergistic compositions and method of use Emerging Cross-Sectional Technologies 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.