| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Measurement | |
| #4 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Hydraulic engineering | |
| #2 | Ships | |
| #3 | Producing ice | |
| #4 | Construction of bridges | |
| #5 | Measuring distances | |
| #6 | Street cleaning | |
| #7 | General building constructions | |
| #8 | Construction of roads | |
| #9 | Marine propulsion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Morgan George W | 4 |
| #2 | Zupanick Joseph E | 3 |
| #3 | Lea James F | 2 |
| #4 | Lichtenberger Gunter J | 2 |
| #5 | Bennett John D | 1 |
| #6 | Stegall Richard D | 1 |
| #7 | Macy Robert L | 1 |
| #8 | Hill William L | 1 |
| #9 | Berry Holland James | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4163620A | Method and apparatus for increasing the vertical load bearing capacity of ice | |
| CA1066900A | Artificial island | |
| US4077225A | Apparatus for ice disaggregation | |
| US4102288A | Operations vessel for ice covered seas | |
| US4070062A | Method of and apparatus for disaggregating particulate matter | |
| US4069783A | Method of and apparatus for disaggregating particulate matter | |
| US4043132A | Method and apparatus for preventing fluid solidification in an aperture | |
| US4073144A | Ice removal system |