| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 7 | |
| #2 | Germany | 2 | |
| #3 | United States | 2 | |
| #4 | Australia | 1 | |
| #5 | Switzerland | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Cyclically operating valves | |
| #3 | Gearing | |
| #4 | Pumps | |
| #5 | Unspecified technologies | |
| #6 | Cycle accessories |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zeitlin Joseph | 7 |
| #2 | Joseph Zeitlin | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB300225A | Improvements in internal combustion engines | |
| US1402701A | Valve mechanism of internal-combustion engines | |
| US1347730A | Toothed gearing | |
| AU915707B | Improvements inthe mechanical production of high vacua |