Alfred Schmidt
63Patents
19h-index
32Co-inventors
84Inventor score
Filing activity: Jul 3, 1973 → Jun 3, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4775246A | System for detecting unaccounted for printing in a value printing system | Physics | 246 | Expired |
| US4743747A | Postage and mailing information applying system | Physics | 232 | Expired |
| US5448641A | Postal rating system with verifiable integrity | Physics | 141 | Expired |
| US4800506A | Apparatus for preparing mail pieces | Physics | 135 | Expired |
| US4862386A | Apparatus for preparing a letter | Physics | 86 | Expired |
| US4903229A | Forms generating and information retrieval system | Physics | 62 | Expired |
| US4800504A | Interactive outgoing and incoming mailpiece processing system | Performing Operations; Transporting | 58 | Expired |
| US4796196A | Letter processing apparatus | Performing Operations; Transporting | 58 | Expired |
| US5465381A | Processor and read/write head incorporated in disk for communicating data to host directly from processor read/write head to read/write head of host disk drive | Physics | 56 | Expired |
| US4797832A | Letter preparing apparatus | Physics | 41 | Expired |
| US4760534A | Mailing system with postage value transfer and accounting capability | Physics | 35 | Expired |
| US5051564A | Method and apparatus for controlling a machine | Physics | 31 | Expired |
| US4237629A | Apparatus for actuating the operation of a snowplow | Physics | 23 | Expired |
| US5945109A | Cosmetic or cosmetic product for firming and smoothing the skin, in particular in the case of cellulite | Human Necessities | 21 | Expired |
| US4852013A | Stationery item processing apparatus | Performing Operations; Transporting | 21 | Expired |
| US4060591A | Continuous process for recovering pure, concentrated ammonia | Chemistry; Metallurgy | 21 | Expired |
| US4853869A | System and method for processing a letter for bulk mailing | Physics | 21 | Expired |
| US5423054A | Processor and read/write head incorporated in disk for communicating data to host directly from processor read/write head to read/write head of host disk drive | Physics | 20 | Expired |
| US4346527A | Snow removal apparatus | Fixed Constructions | 19 | Expired |
| US4682674A | Apparatus for limiting back pressure in an exhaust-type engine suppressor | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4498253A | Snow removal | Fixed Constructions | 16 | Expired |
| US5263266A | Low-emission drying of wood chips | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4750459A | Dynamic pressure limitation with safety valve | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5482260A | Damping element | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5074373A | Drive connection on a support vehicle | Performing Operations; Transporting | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.