| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 55 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Brazil | 1 | |
| #5 | Germany | 1 | |
| #6 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Electrical machinery and energy | |
| #5 | Machine tools | |
| #6 | Environmental technology | |
| #7 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leo Edelmann | 25 |
| #2 | Edelmann Robert B | 6 |
| #3 | Detwiler Timothy | 3 |
| #4 | Eden Harold W | 2 |
| #5 | Cattoi Louis C | 2 |
| #6 | Andresen Hilmar A | 2 |
| #7 | George Schulz | 2 |
| #8 | Wallskog A | 2 |
| #9 | Datwiler P | 1 |
| #10 | Blanchard Roswell W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4271976A | Combination pressure release cooling cap and recovery of coolant | |
| US3998078A | Limited torque locking fuel cap | |
| US3807219A | Tester for pressure-vacuum gas caps | |
| US3813904A | Locking gas cap | |
| US3691847A | Hydrometer | |
| US3620056A | Locking cyclinder | |
| US3040584A | Battery hydrometer | |
| US2847042A | Battery filler | |
| US2637803A | Ignition timing light having a replaceable lamp | |
| US2646873A | Battery service kit | |
| US2685196A | Hydrometer | |
| US2704450A | Thermohydrometer | |
| GB664879A | Improvements in or relating to couplings for pipe lines, conduits and the like | |
| US2526210A | Flaring tool | |
| US2529847A | Apparatus for manufacturing closures from flexible plastic material | |
| US2307745A | Hydrometer | |
| US2312307A | Hydrometer | |
| US2268006A | Temperature indicator | |
| US2256007A | Temperature indicator | |
| US2270492A | Timing light |