| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | China | 2 | |
| #5 | Denmark | 2 | |
| #6 | EPO (European Patent Office) | 2 | |
| #7 | Norway | 2 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Geophysics | |
| #2 | Unspecified technologies | |
| #3 | Earth drilling | |
| #4 | Pumps | |
| #5 | Analysing materials | |
| #6 | Weighing | |
| #7 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kennedy William S | 14 |
| #2 | Aronstam Peter S | 7 |
| #3 | Blumenkranz Stephen J | 7 |
| #4 | Yasuda Arthur K | 7 |
| #5 | Potter Jared M | 1 |
| #6 | Peterson Paul E | 1 |
| #7 | Macaskill Christopher R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4685326A | Resonant determination of saturation changes in rock samples | |
| US4671379A | Method and apparatus for generating seismic waves | |
| US4715469A | Borehole seismic receiver | |
| US4509904A | Metering pump |