| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 3 | |
| #4 | Germany | 2 | |
| #5 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Cyclically operating valves | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jules Haltenberger | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB285377A | Improvements in or relating to sleeve valve mechanism for internal combustion engines | |
| GB276326A | Improvements in or relating to means for varying the timing of the sleeve valves of internal combustion engines | |
| GB271062A | Improvements relating to sleeve-valve internal combustion engines | |
| US1688294A | Internal-combustion engine | |
| GB269532A | Improvements in means for operating the sleeve valves of internal combustion engines | |
| US1756684A | Sleeve-valve engine | |
| US1630245A | Internal-combustion engine |