| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | United States | 3 | |
| #3 | France | 2 | |
| #4 | Argentina | 1 | |
| #5 | Australia | 1 | |
| #6 | Brazil | 1 | |
| #7 | Canada | 1 | |
| #8 | Czechoslovakia | 1 | |
| #9 | German Democratic Republic | 1 | |
| #10 | EPO (European Patent Office) | 1 | |
| #11 | Spain | 1 | |
| #12 | United Kingdom | 1 | |
| #13 | Italy | 1 | |
| #14 | Japan | 1 | |
| #15 | Yugoslavia (Serbia and Montenegro) | 1 | |
| #16 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Vehicle tyre repairing | |
| #2 | Certain plastics | |
| #3 | Ropes | |
| #4 | Producing goods from plastic |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pfeiffer Herbert | 7 |
| #2 | Merten Hans | 3 |
| #3 | Pfeiffer H | 3 |
| #4 | Heruberuto Pufuaifuaa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4406317A | Pneumatic tire of vehicle, wire core for use therein and apparatus for producing said wire core | |
| DE3047783A1 | Tyre beading with multiple wire core - or parallelogram cross=section with sides oblique to radial plane | |
| DE3047669A1 | Multiple wire tyre bead - parallelogram section wire bundle has radiused edge of all outermost and innermost wires | |
| JPS5594804A | Core for bead portion of pneumatic tire for tilt rim | |
| DE2653553B1 | Process for the production of a ring-like core for the bead of a pneumatic tire for sloping shoulder rims with a parallelogram in cross section |