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| Patents for C10B 25 - Doors or closures for coke ovens (1,011) |
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| 09/28/1976 | USRE28981 Refractory shapes and jamb structure of coke oven battery heating wall | | 08/31/1976 | US3977125 Device for sealing steel doors of coke oven | | 08/10/1976 | US3974038 Coke oven door | | 06/29/1976 | US3966060 Lifting apparatus | | 05/18/1976 | US3957591 Coking oven | | 04/27/1976 | US3953063 Coke oven door closure | | 04/27/1976 | US3952454 Device for sealing doors of coke oven | | 04/06/1976 | US3948397 Coke oven door lifter mechanism | | 03/16/1976 | US3944472 Coke oven lid pusher | | 01/20/1976 | US3933598 Coke oven door | | 01/20/1976 | US3933595 To reduce emissions |
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