| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | United Kingdom | 2 | |
| #3 | Japan | 2 | |
| #4 | Austria | 1 | |
| #5 | Australia | 1 | |
| #6 | Canada | 1 | |
| #7 | Germany | 1 | |
| #8 | Spain | 1 | |
| #9 | France | 1 | |
| #10 | Israel | 1 | |
| #11 | Italy | 1 | |
| #12 | Netherlands | 1 | |
| #13 | Norway | 1 | |
| #14 | Sweden | 1 | |
| #15 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Containers for goods storage | |
| #2 | Gas holders |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heisterberg Milton W | 8 |
| #2 | Heisterberg M W | 2 |
| #3 | Miruton Daburyu Heisutaabaagu | 1 |
| #4 | Ogarek Bernard C | 1 |
| #5 | Heisterberg M | 1 |
| #6 | Miruton Daburiyu Heisutaabaagu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4369044A | Leveling system for dry seal gasholders | |
| US4371090A | Secondary seal for floating roof storage tank | |
| US4287999A | Secondary seal for floating roof storage tank | |
| US4132532A | Multi-lift dry seal gasholder |