| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Engines, pumps and turbines | |
| #5 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rivington Stone Albert | 6 |
| #2 | Girvin Winchester Albert | 3 |
| #3 | Quintilian Bartholomew F | 3 |
| #4 | Frank Quintilian Bartholomew | 1 |
| #5 | Frank Quintilian Bartliolomew | 1 |
| #6 | Chinn George I | 1 |
| #7 | Davis Edward A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2988007A | Hydraulic transmission | |
| GB808311A | Hydraulic transmission | |
| US2616259A | Hydraulic system, including multiple motors and controls therefor | |
| US2500627A | Fluid distributing valve | |
| US2503141A | Stress indicator for bolts or studs | |
| US2562831A | Bolt or stud tightener | |
| US2600029A | Stress indicating bolt or stud | |
| US2500883A | Piston valve | |
| US2413797A | Fastening device | |
| US2672825A | Hydraulic pump and motor | |
| US2512119A | Auxiliary ship steering apparatus | |
| US2570896A | Shift-over valve | |
| US2570897A | Shuttle valve | |
| US2672824A | Hydraulic pump or motor | |
| CA588611A | Hopper control apparatus and method | |
| CA622698A | Hydraulic transmission |