Paul Sand
20Patents
9h-index
26Co-inventors
71Inventor score
Filing activity: Dec 29, 1992 → Jun 21, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6865390B2 | Cellular communications system featuring a central radio pool/traffic router | Electricity | 166 | Expired |
| US6580787B1 | Integration of voice mail, email, fax and personal calendar systems to automatically update messages | Electricity | 98 | Expired |
| US5459780A | Work at home agent ACD call distribution | Electricity | 92 | Expired |
| US5450482A | Dynamic network automatic call distribution | Electricity | 86 | Expired |
| US6584316B1 | Handoff of phone calls from wireless to wireline network | Electricity | 54 | Expired |
| US6823189B2 | System and method for identifying mobile communication apparatuses proximal with an identification locus | Electricity | 50 | Expired |
| US6449483B1 | Wireless telephone system for accessing multiple stations via a single telephone number | Electricity | 46 | Expired |
| US6657993B1 | System and method for variable bandwidth transmission facilities between a local telephone switch and a remote line unit | Electricity | 29 | Expired |
| US6611742B1 | Automobile security alarm systems | Physics | 17 | Expired |
| US5381471A | Centralized service circuit deployment | Electricity | 9 | Expired |
| US6701156B2 | System and method for managing response to a need at a site | Electricity | 9 | Expired |
| US6704304B1 | Selective establishment of telecommunications connections over packet and circuit switched networks | Electricity | 7 | Expired |
| US6405042B1 | Provision of cellular/wire-line service | Electricity | 7 | Expired |
| US7254612B2 | Mailbox profile portion copying among voicemail system components of networks | Electricity | 6 | Expired |
| US6980799B2 | Method for preserving calls when service is interrupted to a mobile unit in a wireless communication system | Electricity | 6 | Expired |
| US7079630B2 | Voicemail system component employment of internet protocol network to store or access one or more voicemail messages on one or more storage devices | Electricity | 4 | Expired |
| US6393104B1 | Enhanced life-line service for cable telephone customers | Electricity | 4 | Expired |
| US6836509B1 | Dsl- compatible pots line card | Electricity | 4 | Expired |
| US6975620B2 | Coupling of splitter with subset of plurality of lines on one-to-one basis | Electricity | 2 | Expired |
| US7110515B2 | Remembrance-promoted number receipt for call allowance | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.