| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Denmark | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Japan | 3 | |
| #5 | Canada | 2 | |
| #6 | Germany | 2 | |
| #7 | Spain | 2 | |
| #8 | France | 2 | |
| #9 | Sweden | 2 | |
| #10 | USSR (Union of Socialist Soviet Republics) | 2 | |
| #11 | United States | 2 | |
| #12 | Belgium | 1 | |
| #13 | Brazil | 1 | |
| #14 | EPO (European Patent Office) | 1 | |
| #15 | Finland | 1 | |
| #16 | Malaysia | 1 | |
| #17 | Netherlands | 1 | |
| #18 | Norway | 1 | |
| #19 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Civil engineering | |
| #3 | Measurement | |
| #4 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Treating wood | |
| #2 | Machines for making railways | |
| #3 | Analysing materials | |
| #4 | Preservation of human bodies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bechgaard Carl Christian | 7 |
| #2 | Dulat Joseph | 5 |
| #3 | Hoffmeyer Preben | 4 |
| #4 | Dulat J | 3 |
| #5 | Bechgaard Carl C | 2 |
| #6 | Bechgaard C C | 2 |
| #7 | Pureben Hofumeiya | 1 |
| #8 | Bekhgord Karl Kristian | 1 |
| #9 | Kaaru Kurisuchiyan Betsukugaar | 1 |
| #10 | Bechgaard Carl | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB2088211A | Preservation of timber | |
| US4269875A | Method of preserving timber | |
| AU4208178A | Method of and apparatus for measuring the strength of material | |
| NZ188774A | Preserving timber by inserting plugs of preservative | |
| DE2822461A1 | TIMBER CONSERVATION ELEMENT AND ITS USE | |
| US4182163A | Method and apparatus for measuring the strength of a fibrous body | |
| CA1076388A | Penetration body for impact strength measurement of wood |