Wesch; Ludwig

Patent Applications and Registrations

Patent applications and USPTO patent grants for Wesch; Ludwig.The latest application filed is for "fire-retarding laminated element and a method of controlling expansion of expandable, fire-retarding foaming-agent layers".

Company Profile

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Wesch; Ludwig - Heidelberg DE
Wesch; Ludwig - D-6900 Heidelberg DE
Wesch; Ludwig - 6900 Heidelberg 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
Fire-retarding laminated element and a method of controlling expansion of expandable, fire-retarding foaming-agent layers Grant 4,762,746 - Wesch , et al. August 9, 1	1988-08-09
Flame protection composition comprising aluminum trihydrate, organic binder, and a sulfur compound and a polyurethane foam provided with such flame-protection composition Grant 4,547,526 - Al-Tabaqchali , et al. * October 15, 1	1985-10-15
Fire-retardant composition and method for producing fire-resistant layers Grant 4,486,553 - Wesch December 4, 1	1984-12-04
Flame protection composition comprising aluminum trihydrate organic binder, and a sulfur compound and a polyurethane foam provided with such flame-protection composition Grant 4,455,396 - Al-Tabaqchall , et al. June 19, 1	1984-06-19
Method of manufacturing a finely granular concentrate of fire-retarding foam-forming solid addition substances for plastics, varnishes, coating compositions, and similar substrates Grant 4,123,587 - Wesch , et al. October 31, 1	1978-10-31
Heat-insulating construction element for reinforcing double-walled pressure tanks Grant 4,014,147 - Wesch March 29, 1	1977-03-29
Synthetic concrete laminate Grant 3,953,629 - Wesch April 27, 1	1976-04-27
Absorber For Electromagnetic Radiation Grant 3,721,982 - Wesch March 20, 1	1973-03-20
Wide Band Interference Absorber And Technique For Electromagnetic Radiation Grant 3,680,107 - Meinke , et al. July 25, 1	1972-07-25
Process And Apparatus For The Manufacture Of Fiber Glass Reinforced Plastic Tubes And Similar Bodies According To The Filament Winding Process Grant 3,617,414 - Wesch November 2, 1	1971-11-02
Electromagnetic Wave Attenuating Device Grant 3,568,195 - Wesch , et al. March 2, 1	1971-03-02

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