Inventor · Aalen, DE

Ortwin Muller

13Patents
7h-index
21Co-inventors
62Inventor score

Filing activity: Sep 1, 1976 → Feb 14, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US4448498A Operation microscope Physics 40 Expired
US4582405A Ophthalmological combination instrument for diagnosis and treatment Human Necessities 35 Expired
US4341435A Stereoscopic microscope for multiple observation Physics 25 Expired
US4315672A Combinable apparatus for examination of the eye Human Necessities 14 Expired
US4342951A Servoelectric micromanipulator for movement on spherical coordinates Human Necessities 13 Expired
USD254933S Slit lamp General 10 Expired
US4786161A Apparatus for examination and surgery of the anterior and posterior portions of the eye Human Necessities 10 Expired
US4410242A High-precision ophthalmometer which is independent of distance Physics 7 Expired
US4175839A Slit-lamp apparatus Human Necessities 6 Expired
US4094593A Instrument base for ophthalmological instruments Emerging Cross-Sectional Technologies 5 Expired
US4428035A Electronic flashlight for ophthalmological examination instruments Emerging Cross-Sectional Technologies 4 Expired
US4768875A Arrangement for making contactless section-like measurements of the form of curved optically effective surfaces Physics 3 Expired
US5196874A Slit lamp apparatus with peripheral illumination Human Necessities 1 Expired

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