| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 2 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Australia | 1 | |
| #6 | Brazil | 1 | |
| #7 | Italy | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Swimming pools | |
| #2 | Ships | |
| #3 | Earth drilling | |
| #4 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Biewer Frank N | 5 |
| #2 | Biewer F | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US4062192A | Method of and mechanism for generating waves suitable for surfing | |
| US3880102A | Method and apparatus for offshore submersible oil storage and drilling | |
| US3815846A | Self-level wind | |
| AU4134472A | Method of and mechanism foe generating waves suitable for surfing | |
| US3837309A | Stably buoyed floating offshore device | |
| ZA7100530B | Stably buoyed platform |