| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 27 | |
| #2 | Canada | 3 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | Singapore | 3 | |
| #5 | China | 1 | |
| #6 | Germany | 1 | |
| #7 | Finland | 1 | |
| #8 | Hong Kong | 1 | |
| #9 | Japan | 1 | |
| #10 | Norway | 1 | |
| #11 | Taiwan | 1 | |
| #12 | United States | 1 | |
| #13 | WIPO (World Intellectual Property Organization) | 1 | |
| #14 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machine tools | |
| #3 | Electrical machinery and energy | |
| #4 | Measurement | |
| #5 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hartland David Julian | 17 |
| #2 | Lee Brun | 2 |
| #3 | Hartland David J | 2 |
| #4 | Manning Michael John Nicholas | 1 |
| #5 | Phillips R | 1 |
| #6 | Cullingford Stephen Peter | 1 |
| #7 | Stanbury Christopher Adam | 1 |
| #8 | Smallcombe Louis Stanley | 1 |
| #9 | David Julian Hartland | 1 |
| #10 | Hallett Leslie Robert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB201916741D0 | A conductor rail | |
| GB201909524D0 | Overhead line system | |
| GB201703761D0 | Conductor rails | |
| GB0611002D0 | Conductor rails | |
| GB0515271D0 | Collector shoes | |
| GB0426096D0 | Collector shoe mountings | |
| GB0316019D0 | Conductor rails | |
| GB9930182D0 | Pantographs | |
| GB9706998D0 | Pantographs for railway vehicles | |
| GB9619542D0 | Pantographs | |
| GB9615094D0 | Train body structures | |
| GB9309854D0 | Collector shoe assemblies for electric rail vehicles | |
| GB9301214D0 | Non-destructive testing of composite conductor rails | |
| GB9220330D0 | Insulator assemblies | |
| GB9120676D0 | Conductor rails | |
| CA2028910C | Conductor rails | |
| GB8911676D0 | Conductor rails. | |
| GB1506855A | Electric current collecting pantograph | |
| ZA7502321B | Electric current conductor system | |
| GB1509703A | Electric current conductor system |