| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Canada | 3 | |
| #3 | Switzerland | 3 | |
| #4 | United States | 3 | |
| #5 | Germany | 2 | |
| #6 | Austria | 1 | |
| #7 | Australia | 1 | |
| #8 | Belgium | 1 | |
| #9 | Japan | 1 | |
| #10 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Implantable devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Helfet Arthur Jacob | 8 |
| #2 | Helfet Arthur J | 4 |
| #3 | Helfet A J | 1 |
| #4 | Haig Armen C | 1 |
| #5 | Aasaa Yakobu Herufuetsuto | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8426326D0 | Neck support | |
| GB2108847A | Ankle prosthesis | |
| US4241730A | Knee support | |
| CH597844A5 | Endoprosthesis for diseased or seriously damaged elbow joints | |
| US4057858A | Elbow prosthesis | |
| GB1377561A | Artificial limbs | |
| GB1360485A | Replacements for bicondylar joints in natural or artificial human limbs | |
| CA882851A | Foot corrective device for replacing the function of weakened intrinsic musculature |