| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 10 | |
| #2 | Brazil | 1 | |
| #3 | United Kingdom | 1 | |
| #4 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Clutches and brakes | |
| #3 | Earth drilling | |
| #4 | Pipes | |
| #5 | Non-positive-displacement pumps | |
| #6 | Special non-positive-displacement engines | |
| #7 | Pistons and sealings | |
| #8 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zenss Richard | 2 |
| #2 | Bastien Denis | 2 |
| #3 | Lehrer A | 2 |
| #4 | Richard Zenss | 1 |
| #5 | Denis Bastien | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2692959A1 | Pebble improvement. | |
| FR2661470A1 | Thrust bearing, in particular for use of the release stop. | |
| FR2366483A1 | Bearing for engine cooling fluid pump - has two seals retaining fluid and lubricant respectively with vented air gap between |