| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | United Kingdom | 4 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines | |
| #4 | Measurement | |
| #5 | Medical technology | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Pumps | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies | |
| #5 | Gearing | |
| #6 | Diagnosis and surgery | |
| #7 | Measuring length, angles and areas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mason Richard C | 11 |
| #2 | Petronis John D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB201218254D0 | Apparatus for killing weeds | |
| GB201118475D0 | Apparatus for killing weeds | |
| GB0322260D0 | A device for feeding a baby | |
| GB0219905D0 | A device for feeding a baby | |
| US4181134A | Cardiotachometer | |
| US3156459A | Shock absorber for pumping equipment | |
| US2401576A | Device for measuring length of a line run into or removed from a bore hole | |
| US2163402A | Measuring apparatus | |
| US2113562A | Shock absorber | |
| US2169703A | Pumping apparatus | |
| US1741244A | Pump | |
| US1792108A | Well-drilling mechanism | |
| US1619876A | Power transmission | |
| US1544847A | Casing-joining device | |
| US1598923A | Shock absorber |