| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | France | 3 | |
| #3 | Netherlands | 3 | |
| #4 | Australia | 1 | |
| #5 | Spain | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Certain plastics | |
| #3 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Manen D Van | 1 |
| #2 | Manen Van Dirk | 1 |
| #3 | Manen Dirk Van | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2312352A1 | Moulding tool for plastic and rubber expanded prods. - dispenses with inserts for the air valves, making prodn. cheaper | |
| GB1459808A | Mould for forming hollow articles | |
| NL7501344A | Socket type pipe coupling - has internal sealing ring groove in socket wider at basis than open side | |
| DE2418422A1 | TEACHING |