| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Transport | |
| #3 | Electrical machinery and energy | |
| #4 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dobrikin Harold L | 8 |
| #2 | Schreiber Charles H | 1 |
| #3 | Victor Mastis | 1 |
| #4 | Berg Arthur A | 1 |
| #5 | Boleslaw Klimak | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3097021A | Relay emergency valve | |
| US3093324A | Vehicle lamp | |
| US3022118A | Relay valve | |
| US3117496A | Safety brake chamber | |
| US3018123A | Connector device | |
| US2984445A | Movable hose support | |
| US3017861A | Piston construction |