| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Machine tools | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Vehicle seats | |
| #3 | Lubricating | |
| #4 | Unspecified technologies | |
| #5 | Metal-working |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fall Albert P | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US2504671A | Construction of piston rings | |
| US2431796A | Rod wiper for alighting gear | |
| US2443853A | Alighting gear scraper | |
| US2424881A | Piston ring assembly | |
| US2473470A | Alighting gear | |
| US2254030A | Piston skirt expander | |
| US2349903A | Piston ring assembly | |
| US2256944A | Arm rest for motor vehicles | |
| US2184181A | Arm rest for motor vehicles | |
| US2260612A | Composite piston ring | |
| US2153863A | Apparatus for truing pistons | |
| US1946677A | Piston ring for internal combustion engines | |
| US1999233A | Piston ring |