| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | Germany | 2 | |
| #3 | Sweden | 2 | |
| #4 | Australia | 1 | |
| #5 | Denmark | 1 | |
| #6 | Netherlands | 1 | |
| #7 | Norway | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Agriculture | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Harvesting | |
| #3 | Lifting and pushing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hayward John Albert David | 7 |
| #2 | Hayward J A D | 1 |
| #3 | Hayward John Albert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2919795A1 | Load lifting hydraulic linkage for tractor - has boom automatically extended by tie-rod as it swings upwards | |
| GB1599283A | Linkages for raising and lowering loads/materials | |
| US3952896A | Hydraulic linkages | |
| GB1410170A | Bale accumulators | |
| GB1267665A | Bale lifting implement |