G. Siempelkamp & Co.

Patent Applications and Registrations

Patent applications and USPTO patent grants for G. Siempelkamp & Co..The latest application filed is for "method of making pressed board".

Company Profile

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G. Siempelkamp & Co. - Krefeld DT
G. Siempelkamp & Co - Krefeld DT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method of making pressed board Grant 4,086,313 - Axer , et al. April 25, 1	1978-04-25
Layer-forming apparatus especially for particle board mats Grant 4,068,991 - Ufermann , et al. January 17, 1	1978-01-17
Method of and means for sandwiching a central layer and two outer layers preparatorily to lamination Grant 3,989,235 - Husges November 2, 1	1976-11-02
Apparatus for producing boards of filamentary material Grant 3,989,581 - Kober , et al. November 2, 1	1976-11-02
Apparatus for loading a workpiece stack into a platen press Grant 3,977,535 - Husges , et al. August 31, 1	1976-08-31
Apparatus for forming a laminate in a heated-platen press Grant 3,909,343 - Posselt September 30, 1	1975-09-30
System For The Production Of Pressed Board Grant 3,887,314 - Andresen , et al. June 3, 1	1975-06-03
System for handling surface-finishing layers in the production of pressed board Grant 3,887,082 - Posselt June 3, 1	1975-06-03
Continuous prepress for fiberboard plant Grant 3,885,901 - Reiners May 27, 1	1975-05-27
Apparatus for curing elongate workpieces Grant 3,868,204 - Bongers February 25, 1	1975-02-25
Method And Apparatus For Drying A Gypsum Board Or The Like Grant 3,863,361 - Gerhardt February 4, 1	1975-02-04
Apparatus For Spreading Comminuted Partly Cementitious Material On A Moving Support Grant 3,864,066 - Gerhardt February 4, 1	1975-02-04
Apparatus For The Production Of Pressed Board Grant 3,824,058 - Axer , et al. July 16, 1	1974-07-16
Method For The Manufacture Of Reinforced Flexible Belts Grant 3,779,845 - Hutz , et al. December 18, 1	1973-12-18
Unloading Mechanism For Single-level Platen Press Grant 3,655,316 - Husges April 11, 1	1972-04-11
Apparatus For The Manufacture Of Reinforced Flexible Belts Grant 3,607,561 - Hutz , et al. September 21, 1	1971-09-21

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