Spread Spectrum Inc.
9Patents
0Active
9Granted
28Portfolio score
Filing activity: Nov 8, 1991 → Jul 19, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5571084A | Microprocessor-controlled vested lactation system | Human Necessities | 81 | Expired |
| US5522356A | Method and apparatus for transferring heat energy from engine housing to expansion fluid employed in continuous combustion, pinned vane type, integrated rotary compressor-expander engine system | Mechanical Engineering; Lighting; Heating | 69 | Expired |
| US5295642A | High altitude launch platform payload launching apparatus and method | Performing Operations; Transporting | 34 | Expired |
| US5564648A | High altitude launch platform payload launching apparatus and method | Performing Operations; Transporting | 26 | Expired |
| US5537974A | Method and apparatus for using exhaust gas condenser to reclaim and filter expansion fluid which has been mixed with combustion gas in combined cycle heat engine expansion process | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5456424A | High altitude launch platform payload launching apparatus and method | Performing Operations; Transporting | 19 | Expired |
| US5489199A | Blade sealing arrangement for continuous combustion, positive displacement, combined cycle, pinned vane rotary compressor and expander engine system | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5568796A | Rotary compressor and engine machine system | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5427068A | Rotary compressor and engine machine system | Mechanical Engineering; Lighting; Heating | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.