| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | United States | 4 | |
| #3 | Australia | 3 | |
| #4 | Canada | 3 | |
| #5 | Japan | 3 | |
| #6 | Netherlands | 3 | |
| #7 | Belgium | 2 | |
| #8 | France | 2 | |
| #9 | EPO (European Patent Office) | 1 | |
| #10 | United Kingdom | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Shafts | |
| #3 | Unspecified technologies | |
| #4 | Containers for goods storage | |
| #5 | Pipes | |
| #6 | Mixing | |
| #7 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brown John E | 7 |
| #2 | Brown John Eric | 6 |
| #3 | Jiyon Eritsuku Buraun | 3 |
| #4 | Brown Simon | 3 |
| #5 | Brown J E | 1 |
| #6 | Simon Brown | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU3848489A | Annular seal | |
| GB8626057D0 | Seal unit | |
| AU5597680A | Seal for spherical surface | |
| US4319756A | Spherical seal element | |
| EP0034674A1 | A device for supporting and sealing a spherical member | |
| CA1139797A | Spherical seal element | |
| DE2941984A1 | Cylindrical housing ring for shaft seal - has inner thread for sealing body whose surface fits against flange inner edge | |
| US4278260A | Seal unit | |
| DE2841812A1 | Gasket with corrugated surfaces - is deformable to ensure proof seal on tightening of sealing planes, and resilient to recover original shape on loosening (NL 2.4.79) | |
| AU3646978A | Integral bush and seal | |
| CA1071257A | Annular elements |