Benthos, Inc.
🏢 View company profile →20Patents
0Active
20Granted
34Portfolio score
Filing activity: Mar 8, 1976 → Feb 2, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5353631A | Analyzing internal pressure of a sealed container using frequency spectra | Physics | 34 | Expired |
| US4934180A | Testing container seals | Physics | 31 | Expired |
| US4862732A | Leak testing | Physics | 30 | Expired |
| US4774830A | Testing container seals | Physics | 29 | Expired |
| US5646470A | Acoustic transducer | Electricity | 27 | Expired |
| US6427524B1 | Multiple sensor in-line container inspection apparatus and method | Physics | 23 | Expired |
| US4117718A | Internal pressure and vacuum monitoring apparatus | Physics | 21 | Expired |
| US5789844A | Acoustic transducer | Electricity | 20 | Expired |
| US4922746A | Leak testing | Physics | 19 | Expired |
| US6330823A | Process and apparatus for testing containers | Physics | 16 | Expired |
| US5861548A | Apparatus and method utilizing signal modulation detection for analyzing the internal pressure of containers | Physics | 14 | Expired |
| US6318497A | Pressure-sensitive switch, its method of calibration and use in a hydrophone array | Electricity | 11 | Expired |
| US4300654A | Undersea implosion device | Physics | 11 | Expired |
| US6237418A | Method and apparatus for detecting misapplied caps on containers | Physics | 11 | Expired |
| US4213329A | Method and apparatus for inspecting containers | Physics | 9 | Expired |
| US5675074A | Analyzing internal pressure of a closed container | Physics | 9 | Expired |
| US6918285B2 | Indirect contact container measurement | Physics | 9 | Expired |
| US5485973A | Storage of cable | Performing Operations; Transporting | 7 | Expired |
| US4019380A | Underwater sampler | Fixed Constructions | 5 | Expired |
| USD349481S | Underwater remotely operated vehicle | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.