| Patents for A42C 2 - Manufacturing helmets by processes not otherwise provided for (329) |
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| 03/07/1989 | US4809690 Protective skull cap for the skull |
| 10/18/1988 | US4778638 Method of making ballistic helmet |
| 12/08/1987 | US4710984 Helmet for protection against impacts and a method of manufacturing the said helmet |
| 10/06/1987 | US4698001 Machine for the production of moulded articles of plastic material, in particular of crash helmets for motorcyclists and the like |
| 06/03/1987 | EP0224015A1 Method of making a metal helmet |
| 04/14/1987 | US4656674 Composite helmet |
| 02/04/1987 | EP0210918A1 Protecting cap for the brain pan, and method of its manufacture |
| 09/24/1986 | CN85108049A Composite helmet |
| 09/16/1986 | CA1211251A1 Helmet shell fabric layer and method of making the same |
| 06/24/1986 | US4596056 Helmet shell fabric layer and method of making the same |
| 06/18/1986 | EP0184902A1 Composite helmet |
| 01/16/1986 | WO1986000198A1 Helmet for protection against impacts and method for producing said helmet |
| 01/02/1986 | EP0166691A1 Protective helmet against impacts, and method of manufacturing said helmet |
| 10/22/1985 | US4548665 Method for manufacturing an element having a curved surface from a rigid panel of a material of the "honeycomb" type and the product obtained |
| 10/31/1984 | EP0123572A1 Method for the production of a curved surface element from a rigid panel of honey comb-type material, and the product obtained |
| 09/25/1984 | US4473208 Apparatus for making helmets |
| 08/21/1984 | US4466138 Safety helmet with a shell injected from thermoplastics and method for the manufacture of said helmet |
| 01/17/1984 | CA1160414A1 Safety helmet with a shell injected from thermoplastics and method for the manufacture of said helmet |
| 12/28/1983 | EP0096763A2 Safety helmet and method of manufacturing this helmet |
| 07/12/1983 | CA1149570A1 Reinforced shock resistant resin structure and its relative method of manufacture |
| 07/06/1982 | US4338070 Apparatus for molding reinforced resin products |
| 01/05/1982 | CA1115451A1 Continuous filament, laminated ballistic helmet and method for making same |
| 12/30/1981 | EP0042782A1 Protective helmet with a shell made of injection moulded thermoplastic material, and method of manufacturing said helmet |
| 11/17/1981 | US4300242 Molded reinforced article and method |
| 09/08/1981 | US4288268 Method of producing a protective helmet |
| 10/15/1980 | EP0016945A1 Reinforced impact resistant resin structure and its related process of manufacture |
| 04/22/1980 | US4199388 Method for making a multi-ply continuous filament ballistic helmet |
| 05/11/1976 | US3956447 Method of making deep drawn, laminated articles |
| 01/27/1976 | US3935044 Method of manufacturing improved protective headgear |