Carl H. W. Meyer
20Patents
19h-index
24Co-inventors
81Inventor score
Filing activity: Feb 24, 1975 → Dec 23, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3962539A | Product block cipher system for data security | Electricity | 283 | Expired |
| US4755940A | Transaction security system | Physics | 266 | Expired |
| US3958081A | Block cipher system for data security | Electricity | 232 | Expired |
| US4203166A | Cryptographic file security for multiple domain networks | Physics | 229 | Expired |
| US4238854A | Cryptographic file security for single domain networks | Electricity | 214 | Expired |
| US4218738A | Method for authenticating the identity of a user of an information system | Physics | 189 | Expired |
| US4238853A | Cryptographic communication security for single domain networks | Electricity | 181 | Expired |
| US4227253A | Cryptographic communication security for multiple domain networks | Electricity | 142 | Expired |
| US4747050A | Transaction security system using time variant parameter | Physics | 141 | Expired |
| US4193131A | Cryptographic verification of operational keys used in communication networks | Electricity | 135 | Expired |
| US4850017A | Controlled use of cryptographic keys via generating station established control values | Emerging Cross-Sectional Technologies | 117 | Expired |
| US4393269A | Method and apparatus incorporating a one-way sequence for transaction and identity verification | Electricity | 114 | Expired |
| US4908861A | Data authentication using modification detection codes based on a public one way encryption function | Electricity | 93 | Expired |
| US4500750A | Cryptographic application for interbank verification | Electricity | 79 | Expired |
| US4527669A | Friction pad assemblies for use in disc brakes | Mechanical Engineering; Lighting; Heating | 56 | Expired |
| US4386234A | Cryptographic communication and file security using terminals | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4074066A | Message verification and transmission error detection by block chaining | Electricity | 49 | Expired |
| US4206315A | Digital signature system and apparatus | Electricity | 44 | Expired |
| US4229818A | Method and apparatus for enciphering blocks which succeed short blocks in a key-controlled block-cipher cryptographic system | Electricity | 20 | Expired |
| US7055662B1 | Vehicle axle beam and brake assembly | Mechanical Engineering; Lighting; Heating | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.