| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Materials and metallurgy | |
| #4 | Packaging and shipping | |
| #5 | Machine tools | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Cylinders for combustion engines | |
| #3 | Containers for goods storage | |
| #4 | Pistons and sealings | |
| #5 | Foundry moulding | |
| #6 | Special machines | |
| #7 | Unspecified technologies | |
| #8 | Casting metal | |
| #9 | Making screws | |
| #10 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Beckmann Melbourne A | 7 |
| #2 | Staples Evans M | 2 |
| #3 | Lewis Jr Richard B | 1 |
| #4 | Tenkotte Harry F | 1 |
| #5 | Pentecost Donald B | 1 |
| #6 | Marcum Maxie G Jr | 1 |
| #7 | Jung Norbert A | 1 |
| #8 | Schnell Arthur E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4186538A | Panel of siding | |
| US3011014A | Aluminum insulator cap with embedded reinforcing member | |
| US2656931A | Packaging article | |
| US2457197A | Packaging articles | |
| US2347350A | Knurling machine | |
| US2139287A | Machining of cast pistons | |
| US2124998A | Permanent mold | |
| US2114041A | Relieved stabilized piston | |
| US2114040A | Even pressure piston | |
| US1979581A | Molding machine | |
| US2019937A | Method of casting bars | |
| US1948793A | Method of making valves | |
| CA387740A | Engine piston |