Inventor
Bruce Armstrong
Inventor
Dartmouth, CA
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics29%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general24%
G10KSound-producing devices19%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers10%
B63BShips or other waterborne vessels5%
B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G01SRadio direction-finding5%
PatentTitleYear
10,488,542Use of external driver to energize a seismic source201910,479,452Tow body arrangement for a towable device in a sonar system201910,350,638Resonating gas seismic source201910,201,833Modular projector for marine seismic source201910,173,244Tunable resonance in a resonating gas seismic source20198,139,443'Underwater sound projector system and method of producing same'20127,184,575'Seed tray for digital image analysis of grain and the like'20075,261,644'Plastic jack'19934,928,263'Hydrophones and similar devices'19904,524,693'Underwater transducer with depth compensation'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2019Based in Dartmouth, CA· patent location history
1990Patents assigned to HERMES ELECTRONICS LTD (1)· patent assignee history
1990Based in Nova Scotia, CA· patent location history
1993Patents assigned to SEEBURN METAL PROD (1)· patent assignee history
1993Based in Stroud, CA· patent location history
2007Based in Kingston, AU· patent location history
2012Patents assigned to ARMSTRONG BRUCE ALLAN (1)· patent assignee history
2019Patents assigned to GEOSPECTRUM TECH INC (4)· patent assignee history
2019Patents assigned to PGS GEOPHYSICAL AS (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEOSPECTRUM TECH INC | 4 | 2019 |
| PGS GEOPHYSICAL AS | 4 | 2019 |
| ARMSTRONG BRUCE ALLANself | 1 | 2012 |
| HERMES ELECTRONICS LTD | 1 | 1990 |
| SEEBURN METAL PROD | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dartmouth, CA | 7 | 1985–2019 |
| Kingston, AU | 1 | 2007 |
| Stroud, CA | 1 | 1993 |
| Nova Scotia, CA | 1 | 1990 |