| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | United Kingdom | 4 | |
| #3 | Canada | 1 | |
| #4 | Finland | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Alloys | |
| #3 | Shafts | |
| #4 | Lubricating | |
| #5 | Nails | |
| #6 | Non-metallic elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Deventer Max | 3 |
| #2 | Max Deventer | 2 |
| #3 | Wagner Richard F P | 1 |
| #4 | Dr-Ing E H Richard Felix Paul | 1 |
| #5 | Wagner Dr-Ing E H Richard Paul | 1 |
| #6 | Paul Wagner Richard Felix | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB892846A | Improvements in and relating to powdered metal moulding | |
| US2828149A | Stuffing box with a split internal sleeve member | |
| GB753680A | Improvements in and relating to stuffing boxes | |
| GB719146A | Improvements in and relating to the moulding of metal powders | |
| GB381440A | Improvements in packing for stuffing boxes | |
| CA565486A | Moulding of metal powders |