Frederick A. Epler
28Patents
24h-index
9Co-inventors
74Inventor score
Filing activity: Mar 20, 1986 → Aug 3, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5375161A | Telephone control system with branch routing | Emerging Cross-Sectional Technologies | 343 | Expired |
| US4893335A | Remote access telephone control system | Emerging Cross-Sectional Technologies | 221 | Expired |
| US5752191A | Telephone control system which connects a caller with a subscriber AT A telephone address | Electricity | 180 | Expired |
| US5825867A | Enhanced call waiting | Electricity | 165 | Expired |
| US5610970A | Telephone system with scheduled handling of calls | Emerging Cross-Sectional Technologies | 149 | Expired |
| US5588037A | Remote access telephone control system | Electricity | 120 | Expired |
| US5694453A | Method and apparatus for processing telephone calls and delivering information about the calls to a pager | Emerging Cross-Sectional Technologies | 118 | Expired |
| US5924016A | Control and monitoring apparatus and method for a telephone system | Electricity | 97 | Expired |
| US6026156A | Enhanced call waiting | Electricity | 80 | Expired |
| US5673299A | Adjunct controller for a telephone system | Emerging Cross-Sectional Technologies | 79 | Expired |
| US6545589B1 | Method and apparatus for managing telecommunications | Electricity | 77 | Expired |
| US6021190A | Method and apparatus for receiving and processing an incoming call | Emerging Cross-Sectional Technologies | 77 | Expired |
| US5751760A | Controller for a telephone system with code screening of incoming calls | Emerging Cross-Sectional Technologies | 76 | Expired |
| US5841837A | Method and apparatus for processing telephone calls | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6453164B1 | Intelligent telephone control system which allows subscribers to remotely control a plurality of call handling utilities | Electricity | 67 | Expired |
| US6122484A | Method and apparatus for processing telephone calls | Emerging Cross-Sectional Technologies | 63 | Expired |
| US6026153A | Personal communicator telephone system | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5838779A | Adjunct controller for a telephone system | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5842112A | Personal communicator system for identifying a telephone which is disposed proximate a locator transmitter | Emerging Cross-Sectional Technologies | 38 | Expired |
| US7106845B1 | Dynamic security system and method, such as for use in a telecommunications system | Electricity | 38 | Expired |
| US6185283A | Telephone system providing personalized telephone features | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6332082A | Personal communicator telephone system | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6026149A | Method and apparatus for managing telecommunications | Emerging Cross-Sectional Technologies | 31 | Expired |
| US7068772B1 | Economical call processing system and method, such as for providing one-number telecommunication services | Electricity | 30 | Expired |
| US6167128A | Method and apparatus for controlling a telephone system | Emerging Cross-Sectional Technologies | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.