Patent assignee · CH · COMPANY

Eyemetrics Systems-AG

16Patents
0Active
16Granted
31Portfolio score

Filing activity: Oct 31, 1986 → Jan 26, 1989

Most-cited patents

PatentTitleAreaCited byStatus
US4996994A Apparatus for photogrammetrically measuring the human head Physics 28 Expired
US4890356A Hinge for the connection of the shaft of a temple with a hinge piece of spectacle frames as well as a process for the production of such a hinge Performing Operations; Transporting 25 Expired
US4925291A Temple end piece for the temple of a spectacle frame Physics 14 Expired
USD305686S Eyewear technician's workstation General 12 Expired
US4804260A Temple for eyeglasses Physics 7 Expired
US4795247A Process for fitting a spectacle frame and device and adaptive end piece for performing the process Emerging Cross-Sectional Technologies 7 Expired
US4873994A Device for determining the forces in the area of the contact surfaces between a spectacle frame and the head of the wearer Physics 6 Expired
USD311196S Nose pad for eyeglasses General 5 Expired
USD308978S Adjustable eyeglasses General 4 Expired
US4820034A Temple end piece for a temple of a spectacle frame Physics 4 Expired
USD310229S End piece for eyeglass temples General 4 Expired
USD310087S End piece for eyeglass temples General 3 Expired
US4805638A Apparatus for photogrammetrically measuring the human head Physics 3 Expired
USD314781S End piece for eyeglass temples General 3 Expired
USD310228S End piece for eyeglass temples General 2 Expired
USD304615S Eyewear patient measuring station General 2 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.