| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Packaging and shipping | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Lifting and pushing | |
| #3 | Pipes | |
| #4 | Pistons and sealings | |
| #5 | Unspecified technologies | |
| #6 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Drew John W | 7 |
| #2 | Snell Samuel A | 4 |
| #3 | Zingsheim Frederick W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1460116A | Jack mechanism | |
| US1452533A | Jack | |
| US1428222A | Pump-cylinder head | |
| US1532352A | Hose coupling | |
| US1390680A | Lubricating device for pump-pistons | |
| US1376863A | Pump-valve | |
| US1329165A | Pump-packing | |
| US1329281A | Pump-base | |
| US1310983A | Piston-rod packing. | |
| US1355318A | Piston-rod packing | |
| US1357624A | Pump-piston | |
| US1292905A | Air-pump. |