Patent assignee · US · COMPANY

Sanders GmbH

295Patents
3Active
295Granted
43Portfolio score

Filing activity: Sep 24, 1964 → Jul 31, 2009 · 3 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4186413A Apparatus for receiving encoded messages on the screen of a television receiver and for redisplay thereof on the same receiver screen in a readable format Electricity 240 Expired
US4135156A Satellite communications system incorporating ground relay station through which messages between terminal stations are routed Electricity 177 Expired
US4540176A Microprocessor interface device Physics 159 Expired
US3976995A Precessing display pager Physics 157 Expired
US4808950A Electromagnetic dispersive delay line Electricity 135 Expired
US4310854A Television captioning system Electricity 135 Expired
US4171513A Secure communications system Electricity 130 Expired
US4594595A Circular log-periodic direction-finder array Electricity 124 Expired
US4659874A X-Y position sensor Physics 119 Expired
US3993861A Digital video modulation and demodulation system Electricity 110 Expired
US4034990A Interactive television gaming system Human Necessities 97 Expired
US4215553A Energy conversion system Emerging Cross-Sectional Technologies 92 Expired
US4395045A Television precision target shooting apparatus and method Human Necessities 89 Expired
US4359223A Interactive video playback system Human Necessities 89 Expired
US4594597A Thermal printer Performing Operations; Transporting 85 Expired
US4405010A Sensible heat storage unit Emerging Cross-Sectional Technologies 84 Expired
US4562416A Transition from stripline to waveguide Electricity 81 Expired
US4342454A Method and apparatus for instant replay and other capabilities for microprocessor-controlled video games Human Necessities 76 Expired
US3998618A Method for making small gas-filled beads Electricity 75 Expired
US5053991A Content-addressable memory with soft-match capability Physics 72 Expired
US4368430A Fiber optic magnetic sensors Emerging Cross-Sectional Technologies 69 Expired
US4673304A Thermal printer ribbon cartridge for wide ribbons Performing Operations; Transporting 69 Expired
US6934985B2 Cover Human Necessities 65 Expired
US4247939A Spread spectrum detector Electricity 64 Expired
US4197545A Stripline slot antenna Electricity 64 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.