Max Klein
42Patents
18h-index
4Co-inventors
74Inventor score
Filing activity: Jun 26, 1972 → Oct 26, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD740307S1 | Computer display screen with graphical user interface | General | 74 | Active |
| US4643182A | Disposable protective mask | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4239516A | Porous media to separate gases liquid droplets and/or solid particles from gases or vapors and coalesce entrained droplets | Performing Operations; Transporting | 66 | Expired |
| US4716062A | Composite materials, their preparation and articles made therefrom | Emerging Cross-Sectional Technologies | 46 | Expired |
| US4713285A | High temperature filter material | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4894071A | Portable air cleaner | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US4664812A | Liquid filtration apparatus and process | Chemistry; Metallurgy | 37 | Expired |
| US4627863A | Filter for air handling equipment | Performing Operations; Transporting | 37 | Expired |
| US4344775A | Method for separating gases liquid droplets and/or solid particles from gases or vapors | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4286977A | High efficiency particulate air filter | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4395332A | Adsorption and filtration mat for liquids | Textiles; Paper | 33 | Expired |
| US4293378A | Enhanced wet strength filter mats to separate particulates from fluids and/or coalesce entrained droplets from gases | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4207378A | Expanded styrene-polymers and polyolefin micro-bits and their preparation | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4427157A | Preparation of styrene-polymer and polyolefin micro-bits | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4505823A | Filtering device for treating contaminated aqueous solutions | Performing Operations; Transporting | 29 | Expired |
| USRE31849E | Porous media to separate gases liquid droplets and/or solid particles from gases or vapors and coalesce entrained droplets | General | 25 | Expired |
| US4569756A | Water treatment system | Performing Operations; Transporting | 24 | Expired |
| US4454044A | Water treatment process | Emerging Cross-Sectional Technologies | 19 | Expired |
| US10435153B2 | Nets and devices for facilitating capture of unmanned aerial vehicles | Performing Operations; Transporting | 18 | Active |
| US10926875B2 | Devices and methods for facilitating capture of unmanned aerial vehicles | Performing Operations; Transporting | 17 | Active |
| US4394146A | Filter apparatus | Performing Operations; Transporting | 17 | Expired |
| US4178246A | Separator for discrete solids from liquids | Performing Operations; Transporting | 16 | Expired |
| US4566969A | Rolling filter apparatus | Performing Operations; Transporting | 14 | Expired |
| US4200679A | Micro-bits of expanded flexible polyurethanes | Emerging Cross-Sectional Technologies | 14 | Expired |
| US3950398A | Methacrylic acid addition salt of 2-mono(lower)alkyl amino ethyl methacrylate | Chemistry; Metallurgy | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.