Inventor · Sanford, NC, US

Robert A. Casper

20Patents
18h-index
20Co-inventors
81Inventor score

Filing activity: Jul 14, 1983 → Oct 14, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US4655777A Method of producing biodegradable prosthesis and products therefrom Human Necessities 434 Expired
US5170801A Medical capsule device actuated by radio-frequency (RF) signal Human Necessities 230 Expired
US5167626A Medical capsule device actuated by radio-frequency (RF) signal Human Necessities 212 Expired
US5415162A Multi-dose dry powder inhalation device Human Necessities 144 Expired
US6561186B2 Dry powder medicament inhalator having an inhalation-activated flow diverting means for triggering delivery of medicament Human Necessities 113 Expired
US6357442B1 Inhalation actuated device for use with metered dose inhalers (MDIS) Human Necessities 92 Expired
US6672304B1 Inhalation actuated device for use with metered dose inhalers (MDIs) Human Necessities 92 Expired
US5826571A Device for use with metered dose inhalers (MDIS) Human Necessities 92 Expired
US6209538A Dry powder medicament inhalator having an inhalation-activated flow diverting means for triggering delivery of medicament Human Necessities 91 Expired
US6644309B2 Medicament respiratory delivery device and method Human Necessities 87 Expired
US6550477B1 Dry powder medicament inhalator having an inhalation-activated flow diverting means for triggering delivery of medicament Human Necessities 63 Expired
US6729324B2 Inhalation actuated device for use with metered dose inhalers (MDIs) Human Necessities 58 Expired
US4758592A Method of treating or preventing endometriosis Human Necessities 56 Expired
US5823183A Dry powder medicament inhalator having an inhalation-activated flow diverting means for triggering delivery of medicament Human Necessities 54 Expired
US4589880A Disposable spermicide-releasing diaphragm Emerging Cross-Sectional Technologies 41 Expired
US7051734B2 Medicament respiratory delivery device and method Human Necessities 32 Expired
US5988163A Dry powder medicament inhalator having an inhalation-activated flow diverting means for triggering delivery of delivery of medicament Human Necessities 30 Expired
US5692496A Dry powder medicament inhalator having an inhalation-activated flow diverting means for triggering delivery of medicament Human Necessities 26 Expired
US4784699A Process for decontaminating military nerve and blister agents Human Necessities 18 Expired
US7931022B2 Method and apparatus for dispensing inhalator medicament Human Necessities 4 Active

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