| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 19 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 2 | |
| #5 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Electrical machinery and energy | |
| #3 | Machines | |
| #4 | Measurement | |
| #5 | Control | |
| #6 | Transport | |
| #7 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Pipes | |
| #3 | Unspecified technologies | |
| #4 | Fire-fighting | |
| #5 | Electrically-conductive connections | |
| #6 | Measuring volume | |
| #7 | Systems controlling non-electric variables | |
| #8 | Railway bodies | |
| #9 | Electric switches | |
| #10 | Shaping clay |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fievet Henri | 13 |
| #2 | Henri Fievet | 1 |
| #3 | Antoine Charbonnel Maxime Jose | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB835182A | Pipe blind, more particularly for hydrocarbon pipelines | |
| US2965353A | Pipe blind, more particularly for hydrocarbon pipelines | |
| DE1081290B | Breathing valve, especially for containers for hydrocarbons | |
| GB778654A | Safety valve, notably for hydrocarbon reservoirs and pipings | |
| US2774373A | Safety valve, notably for hydrocarbon reservoirs and pipings | |
| DE1085001B | Safety valve for over and under pressure with auxiliary control | |
| CA570020A | Safety valve, notably for hydrocarbon reservoirs and pipings |