Inventor · Ormskirk, GB

Gordon T. Simpkin

10Patents
9h-index
10Co-inventors
69Inventor score

Filing activity: Apr 22, 1975 → Mar 19, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US5896855A Multi dose inhaler apparatus Human Necessities 148 Expired
US5797391A Inhaler Human Necessities 78 Expired
US5908639A Inhalation powder containing antistatic agent Human Necessities 61 Expired
US6092522A Powder inhaler having capsule holding structure and anti-static walls Human Necessities 57 Expired
US5522383A Powder inhaler having capsule holding structure and anti-static walls Human Necessities 43 Expired
US4372774A Thermal treatment of glass Chemistry; Metallurgy 25 Expired
US4011359A Interleaving materials comprising particulate separator and acidic materials, for separating glass sheets Emerging Cross-Sectional Technologies 24 Expired
US4400193A Method of thermal toughening of glass in a fluidized bed Chemistry; Metallurgy 21 Expired
US5188841A Sustained release pharmaceutical formulations Human Necessities 15 Expired
US4332605A Thermally treating articles with particulate material and apparatus therefor Chemistry; Metallurgy 7 Expired

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