HEDCO has a total of 12 patent applications. Its first patent ever was published in 1969. It filed its patents most often in United States, Canada and Austria. Its main competitors in its focus markets thermal processes are SNOW FACTORIES SA, OK T B UKRTORGTEKHNIKA and APOSTOLOU C.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 5 | |
#2 | Canada | 3 | |
#3 | Austria | 2 | |
#4 | Switzerland | 1 | |
#5 | Germany | 1 |
# | Industry | |
---|---|---|
#1 | Thermal processes |
# | Technology | |
---|---|---|
#1 | Producing ice |
# | Name | Total Patents |
---|---|---|
#1 | Dewey Gordon C | 5 |
#2 | Howell W | 3 |
#3 | Eustis W | 3 |
#4 | Eustis William E C | 2 |
#5 | Howell Wallace E | 1 |
Publication | Filing date | Title |
---|---|---|
DE2659643A1 | SNOW GENERATORS | |
US3948442A | Apparatus and method for making snow with uniform drop size | |
CA931368A | Method for making snow | |
US3774842A | Method of preserving ice nuclei for snow formation | |
US3703991A | Snow precipitator | |
US3733029A | Snow precipitator | |
CA925713A | Snow precipitator | |
US3567117A | Ice nuclei formation |