| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 3 | |
| #2 | Japan | 3 | |
| #3 | United States | 3 | |
| #4 | Italy | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Transport | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Dry-docking of vessels | |
| #2 | Live-saving devices | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Christianson Raymond A | 3 |
| #2 | Reimondo Ei Kurisuteianson | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US4029120A | Linkage for the demand regulator of a breathing apparatus | |
| US4147176A | Diaphragm assembly for the demand regulator of a breathing apparatus | |
| US4076041A | Pilot valve operated demand regulator for a breathing apparatus |