Inventor · San Francisco, CA, US

Peter Hoefer

15Patents
8h-index
16Co-inventors
69Inventor score

Filing activity: Jan 3, 1979 → Dec 21, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US4618228A Bifocal contact lens of the bivisual type Physics 96 Expired
US4560459A Vertical gel sandwich for use in electrophoresis and method therefor Physics 34 Expired
US5619139A Magnetic resonance method and apparatus for detecting an atomic structure of a sample along a surface thereof Emerging Cross-Sectional Technologies 31 Expired
US4325796A Vertical gel slab electrophoresis apparatus and method therefor Physics 25 Expired
USD282352S Horizontal gel slab electrophoresis unit General 25 Expired
USD269123S Electrophoresis apparatus General 20 Expired
US4292161A Vertical gel slab electrophoresis apparatus Physics 18 Expired
US4224134A Vertical gel slab electrophoresis apparatus and method therefor Physics 9 Expired
US7436181B2 Probe head for nuclear magnetic resonance measurements Physics 7 Active
US5789257A Method and apparatus for measuring samples and for localizing a first substance within a surrounding second substance by means of nuclear magnetic resonance Emerging Cross-Sectional Technologies 5 Expired
US7391212B2 Resonator apparatus for electron spin resonance (ESR) measurements and method for measuring electron spin resonance (ESR) signals Physics 5 Expired
US4290871A Vertical gel slab electrophoresis method Physics 4 Expired
US10353027B2 EPR microwave cavity for small magnet airgaps Electricity 2 Active
US7919963B2 Magnetic resonance resonator assembly Physics 2 Active
US10656230B2 EPR resonator with extended transparency and homogeneity in RF range Electricity 0 Active

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