| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Transport | |
| #3 | Surface technology and coating | |
| #4 | Machine tools | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Electrically-conductive connections | |
| #3 | Vehicle tyre repairing | |
| #4 | Sawing | |
| #5 | Metallic material cleaning | |
| #6 | Resistors | |
| #7 | Controlling combustion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Richard Kellendorfer | 2 |
| #2 | Kellendorfer Richard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB756766A | Improvements in or relating to conducting-liquid electric circuit interrupters | |
| US2063813A | Electric safety cut-out | |
| GB424360A | Improvements in electric safety cut-outs | |
| GB369648A | An improved pressure tester for pneumatic tyres | |
| US1568848A | Starting switch | |
| GB180032A | A cut-out for electric circuits |