| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 4 | |
| #3 | Austria | 2 | |
| #4 | Switzerland | 2 | |
| #5 | Germany | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Israel | 1 | |
| #9 | Italy | 1 | |
| #10 | Netherlands | 1 | |
| #11 | Sweden | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Medical technology | |
| #3 | Furniture and games | |
| #4 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Special electric heating or lighting | |
| #2 | Implantable devices | |
| #3 | Kitchen equipment | |
| #4 | Batteries | |
| #5 | Hairstyling and cosmetic |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kober Frederick P | 5 |
| #2 | Feld Sheldon L | 3 |
| #3 | Kober F | 2 |
| #4 | Feld S L | 1 |
| #5 | Weaver Edmund A | 1 |
| #6 | Kober Frederick Dr | 1 |
| #7 | L Feld Sheldon | 1 |
| #8 | Feld S | 1 |
| #9 | Petersen Russell H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1073772A | Therapeutic self-generating moist heat pad | |
| US4098258A | Complex electrochemical heating element | |
| US4095583A | Self-contained warming pad | |
| US4094298A | Separator in electrochemical heating element | |
| CA984884A | Electro-chemical hair curler | |
| US4106477A | Therapeutic self-generating moist heat pad | |
| US3774589A | Self contained electrochemical heat source |