| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Finland | 3 | |
| #4 | Norway | 3 | |
| #5 | Sweden | 3 | |
| #6 | Australia | 2 | |
| #7 | Denmark | 2 | |
| #8 | Italy | 2 | |
| #9 | United States | 2 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Pipe-line systems | |
| #2 | Venting or aerating devices | |
| #3 | Unspecified technologies | |
| #4 | Testing of structures | |
| #5 | Pipes | |
| #6 | Advertising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Palmgren Karl Sievert | 11 |
| #2 | Palmgren Karl S | 3 |
| #3 | Sievert Palmgren Karl | 2 |
| #4 | Palmgren K S | 2 |
| #5 | Wiklund Karl Thore Edward | 2 |
| #6 | Wiklund Karl T E | 1 |
| #7 | Sundgren A | 1 |
| #8 | Wiklund Karl Thore Edward Wikl | 1 |
| #9 | Wiklund Thore K E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO8302991A1 | A conduit-break valve for a pressure conduit or hose with a surrounding protective conduit or hose | |
| AU1155783A | A conduit-break valve for a pressure conduit or hose with a surrounding protective conduit or hose | |
| EP0101448A1 | A conduit-break valve for a pressure conduit or hose with a surrounding protective conduit or hose | |
| AU1157483A | A conduit-break valve for a pressure conduit or hose with a surrounding protective conduit or hose | |
| SE8200481L | Road sign with parallel surface perforations or slots - are provided to allow air to partly blow through, thus preventing its blowing over or collecting snow | |
| CA1146611A | Hose-break valve | |
| US4413643A | Hose-break valve | |
| EP0013264A1 | Hose-break valve |