| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | Germany | 2 | |
| #3 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering | |
| #4 | Engines, pumps and turbines | |
| #5 | Measurement | |
| #6 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Cleaning | |
| #3 | Venting or aerating devices | |
| #4 | Servomotors | |
| #5 | Cleaning heat-exchanger internal surfaces | |
| #6 | Testing of structures | |
| #7 | Rotary-pistons | |
| #8 | Pumps | |
| #9 | Pipes | |
| #10 | Safety devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barthod-Malat Jean | 3 |
| Publication | Filing date | Title |
|---|---|---|
| FR2563331A1 | Method and apparatus for cleaning exchanger tube beams and similar assemblies | |
| EP0027772A1 | Cleaning apparatuses of the telescopic-support and manoeuvring-winch type | |
| FR2446985A1 | By=pass unit for high pressure feed descaling lance - diverts feed to tank if pressure drops using differential bored piston with sprung lift valve | |
| FR2184240A5 | Rotating jet tank scouring appts - with independent mechanical drive ensuring-ring different jet orientation after each rotation |