| Patents for D21F 5 - Dryer section of machines for making continuous webs of paper (5,645) |
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| 06/27/1978 | US4097640 Production of fibrous sheet material |
| 06/27/1978 | US4096643 Paper web streak drying system |
| 06/06/1978 | US4092915 Oil heated double facer platen |
| 05/23/1978 | US4090841 Equipment for the heating of hollow cylindrical rollers of a corrugated paper machine |
| 05/16/1978 | US4089738 Method and apparatus for influencing the characteristics of the surface of a paper product |
| 05/16/1978 | US4089121 Method and apparatus for controlling a wet end drum of a steam heated drum dryer |
| 05/02/1978 | US4086691 Rotary heat exchangers |
| 04/25/1978 | US4085522 Method and apparatus for freely suspending moving webs of material |
| 04/04/1978 | US4081913 Pulp and paper drying apparatus and method |
| 03/28/1978 | US4081342 Electrostatic method for treating material |
| 02/28/1978 | US4075768 Multicylinder dryer |
| 02/21/1978 | US4074441 Rotary through dryer having multiple vacuum chambers and associated heaters |
| 01/24/1978 | US4069594 Drying cylinder |
| 12/27/1977 | US4064637 Cylinder dryer for paper machines |
| 12/27/1977 | US4064608 Composite cast iron drier roll |
| 11/08/1977 | US4057482 Apparatus for removing liquid from liquid bearing material |
| 09/27/1977 | US4050162 Method and apparatus for removing liquid from liquid bearing material |
| 07/05/1977 | US4033841 Liquid removing method and apparatus |
| 07/05/1977 | US4033049 Apparatus for changing the moisture content of paper webs or the like |
| 05/31/1977 | US4026035 Dryer with low temperature heat recovery system |
| 05/17/1977 | US4023481 Double facer platen |
| 05/10/1977 | US4021931 Air circulating apparatus for floating material in web form |
| 02/15/1977 | US4008122 Paper making machine with facing felt and forming wire |
| 12/28/1976 | US4000035 Machine for drying webs, including suction and heat-contact cylinders |
| 12/28/1976 | US3999696 Web threading system |
| 12/28/1976 | US3999302 Liquid removing method and apparatus |
| 10/26/1976 | US3988201 System for heating dryers and generating steam in papermaking installations |
| 10/26/1976 | US3988200 System for heat-exchange of heat transfer liquid with steam in papermaking installations |
| 09/28/1976 | US3982328 Dryer for material coated on two surfaces |
| 09/14/1976 | US3979836 Method and apparatus for the high-frequency treatment of moist material |
| 08/31/1976 | US3977937 System for making a non-woven sheet by creating an electrostatic field action |
| 07/06/1976 | US3967386 Multiple rotary syphon for condensate removal from a steam-heated rotary cylinder |
| 06/29/1976 | US3966575 Method for removing liquid from bearing material |
| 06/29/1976 | US3966545 Device for the removal of maculature or similar |
| 06/29/1976 | US3965581 Liquid removing method and apparatus |
| 06/15/1976 | US3962799 Air bearing moisture profiler |
| 05/18/1976 | US3956832 Web dryer arrangement |
| 04/27/1976 | US3952421 Dielectric heating arrangement for drying a continuously moving web of material |
| 04/06/1976 | US3948283 Rotary syphon |
| 03/30/1976 | US3946499 Heated dryer drum for paper machines and the like |
| 03/23/1976 | US3945570 Steam supply apparatus |
| 03/16/1976 | US3943638 Condensate removal device |
| 02/10/1976 | US3936953 Air impingement system |
| 01/13/1976 | US3931682 Liquid removing method and apparatus |
| 01/06/1976 | US3930319 Drying apparatus |