| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Canada | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Finland | 2 | |
| #5 | Norway | 2 | |
| #6 | United States | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 2 | |
| #8 | Republic of Korea | 1 | |
| #9 | New Zealand | 1 | |
| #10 | Poland | 1 | |
| #11 | Singapore | 1 | |
| #12 | Slovakia | 1 | |
| #13 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Simmonds Stewart Neil | 13 |
| #2 | Simmonds Stewart N | 5 |
| #3 | Simons Stwartnill | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5518835A | Device for indicating the residual capacity of secondary cells | |
| AU2346692A | Quick charger and quick charge method for nickel-cadmium battery |