| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Pipes | |
| #3 | Grinding tools | |
| #4 | Hand carried bags | |
| #5 | Unspecified technologies | |
| #6 | Percussive tools | |
| #7 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heinrich August H | 9 |
| #2 | Smith Rolland D | 3 |
| #3 | Sawyer Orrin P | 1 |
| #4 | Turner George T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2738243A | Sealing ring | |
| US2607644A | Sealing means | |
| US2622905A | Sealing ring | |
| US2511261A | Swivel coupling for conduits | |
| US2511260A | Bearing | |
| US2468752A | Piston rod packing | |
| US2429334A | Razor blade hone | |
| US2446327A | Swivel coupling for conduits | |
| US2496048A | Piston ring | |
| US2451217A | Shock absorbing hammer | |
| US2488743A | Toilet kit with toth paste tube dispensing clamp | |
| CA504589A | Sealing ring | |
| CA460866A | Piston rod packing |