| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | China | 3 | |
| #3 | Czechia | 3 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | Hong Kong | 3 | |
| #6 | Hungary | 3 | |
| #7 | Poland | 3 | |
| #8 | WIPO (World Intellectual Property Organization) | 3 | |
| #9 | Brazil | 2 | |
| #10 | United States | 2 | |
| #11 | Argentina | 1 | |
| #12 | Canada | 1 | |
| #13 | Indonesia | 1 | |
| #14 | Israel | 1 | |
| #15 | Mexico | 1 | |
| #16 | Slovakia | 1 | |
| #17 | Turkey | 1 | |
| #18 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Special electric heating or lighting | |
| #2 | Fluid heaters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eckman Charles M | 33 |
| #2 | Roden James S | 19 |
| #3 | Hochberg Arie | 11 |
| #4 | Eckman C M | 1 |
| #5 | Roden J S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU5703598A | Improved immersion heating element with highly thermally conductive polymeric coating | |
| AU5267198A | Polymeric immersion heating element with skeletal support | |
| US5586214A | Immersion heating element with electric resistance heating material and polymeric layer disposed thereon | |
| US5703998A | Hot water tank assembly |