| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 20 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Packaging and shipping | |
| #4 | Transport | |
| #5 | Materials and metallurgy | |
| #6 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Mechanical control devices | |
| #3 | Lifting and pushing | |
| #4 | Unspecified technologies | |
| #5 | Vehicle brake control systems | |
| #6 | Nails | |
| #7 | Metal tempering | |
| #8 | Non-positive-displacement pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Snell Samuel A | 9 |
| #2 | Mccarthy Charles S | 6 |
| #3 | Johnson Alvin L | 5 |
| #4 | Sprink Isaac W | 2 |
| #5 | Dickerson Dorman B | 1 |
| #6 | Warner Archibald A | 1 |
| #7 | Meter Morton Van | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2205987A | Mechanism control | |
| US2173322A | Mechanism control | |
| US2174859A | Lever mechanism | |
| US2147580A | Lever mechanism | |
| US2212375A | Control mechanism | |
| US2189268A | Mechanism control | |
| US2193424A | Lifting device | |
| US2138276A | Lifting device | |
| US2176715A | Lifting device | |
| US2206456A | Manually operable control mechanism | |
| US2210100A | Mechanism control | |
| US2091858A | Screw jack | |
| US2097949A | Bumper jack | |
| US2162593A | Mechanism control | |
| US2197903A | Mechanism control | |
| US2169888A | Mechanism control | |
| US2139863A | Mechanism control | |
| US2117925A | Automobile brake mechanism | |
| US2062769A | Quenching machine | |
| US2028360A | Pump |