Peter Neumann
159Patents
22h-index
149Co-inventors
93Inventor score
Filing activity: Sep 29, 1975 → Jan 28, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4676774A | Apparatus for the insufflation of gas | Human Necessities | 86 | Expired |
| US4301633A | Shingle-type building element | Fixed Constructions | 78 | Expired |
| US4707161A | Lightfastness of dyeings obtained with acid dyes or metal complex dyes on polyamides: treatment with copper hydroxamates | Emerging Cross-Sectional Technologies | 61 | Expired |
| US4613334A | Lightfastness of dyeings obtained with acid dyes or metal complex dyes on polyamides | Emerging Cross-Sectional Technologies | 60 | Expired |
| US6243276A | Power supply system for battery operated devices | Emerging Cross-Sectional Technologies | 55 | Expired |
| US6573621B2 | AC/DC power supply system for power tools | Electricity | 54 | Expired |
| US4911732A | Light fastness of polyester dyeings using benzophenone ether esters, and novel benzophenone ether esters | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4789382A | Benzophenone ether esters and use thereof to improve the light fastness of polyester dyeings | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6727679B2 | DC to DC voltage converter having a switching signal with adjustable frequency and an adjustable duty cycle | Electricity | 41 | Expired |
| US4419427A | Electrophotographic medium with perylene-3,4,9,10-tetracarboxylic acid N,N'-bis-(2',6'-dichlorophenyl)-diimide | Physics | 39 | Expired |
| US4909782A | Tissue punch | Human Necessities | 39 | Expired |
| US6849591B1 | Microcapsule preparations and detergents and cleaning agents containing microcapsules | Chemistry; Metallurgy | 38 | Expired |
| US4702945A | Optical recording medium | Physics | 34 | Expired |
| US6221870A | Ergoline derivatives and their use as somatostatin receptor antagonists | Human Necessities | 34 | Expired |
| US4590104A | Production of fiber-reinforced materials | Chemistry; Metallurgy | 33 | Expired |
| US6951836B2 | Microcapsule preparations and detergents and cleaning agents containing microcapsules | Chemistry; Metallurgy | 31 | Expired |
| US4939012A | Naphtholactam dyes and optical recording medium containing these dyes | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6597152B1 | Battery charger splitting adapter | Electricity | 29 | Expired |
| US4814256A | Optical recording material | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4649080A | Fiber-reinforced materials | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4820757A | Polymers photostabilized by novel imidazole-2-carboxanilides | Chemistry; Metallurgy | 23 | Expired |
| US4666948A | Preparation of resilient melamine foams | Chemistry; Metallurgy | 23 | Expired |
| US5885988A | Benzog!quinoline derivatives | Chemistry; Metallurgy | 20 | Expired |
| US4086331A | Gelatin-based compositions and a method for the generation of stabilized foams therefrom | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4607069A | Curable compositions based on epoxy resins | Chemistry; Metallurgy | 20 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.