| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Engines, pumps and turbines | |
| #4 | Machine tools | |
| #5 | Transport | |
| #6 | Chemical engineering | |
| #7 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rothenbucher George E R | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US1703248A | Check valve | |
| US1552761A | Engine valve | |
| US1552760A | Engine valve | |
| US1537701A | Engine valve | |
| US1484238A | Reversible pump valve | |
| US1200874A | Device for automatically inflating automobile-tires. | |
| US1209887A | Pipe-union. | |
| US935233A | Gate-valve. | |
| US869022A | Beer-keg washer. | |
| US775581A | Double-acting pipe wrench and cutter. | |
| US762657A | Antifriction-caster. | |
| US703741A | Combination-wrench. | |
| CA242605A | Reversible pump valve | |
| CA252976A | Engine valve |