Pietsch; Gunter

Patent Applications and Registrations

Patent applications and USPTO patent grants for Pietsch; Gunter.The latest application filed is for "method for producing a thermal paper".

Company Profile

0.16.3

Pietsch; Gunter - Isernhagen DE
Pietsch; Gunter - Hamburg DE
Pietsch; Gunter - Surrey CA

*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 for Producing a Thermal Paper App 20080038475 - Boschert; Michael ; et al.	2008-02-14
Process for encapsulating dissolved reactants of color-reaction systems, the capsules obtainable therefrom as well as their use in color-reaction papers Grant 7,169,335 - Pietsch January 30, 2	2007-01-30
Process for encapsulating dissolved reactants of color-reaction systems, the capsules obtainable therefrom as well as their use in color-reaction papers App 20070014918 - Pietsch; Gunter	2007-01-18
Process for encapsulating dissolved reactants of color-reaction systems, the capsules obtainable therefrom as well as their use in color-reaction papers App 20050191488 - Pietsch, Gunter	2005-09-01
Stern tube seal with a pressure control system to adjust to the changing draft of ocean-going ships Grant 5,683,278 - Pietsch , et al. November 4, 1	1997-11-04
Safety device for seal systems for propeller shafts on ships Grant 5,643,026 - Pietsch , et al. July 1, 1	1997-07-01
Seal arrangement for propeller shafts of ships Grant 5,624,290 - Von Bergen , et al. April 29, 1	1997-04-29
Lip seal to seal a shaft, in particular a ship's propeller shaft Grant 5,411,273 - Pietsch , et al. May 2, 1	1995-05-02
Ship, in particular deep draft vessel having concentric, contra-rotating propellers Grant 5,374,208 - von Bergen , et al. December 20, 1	1994-12-20
Seal arrangement for propeller shafts of ships Grant 5,356,320 - Von Bergen , et al. October 18, 1	1994-10-18
Sealing apparatus for rotating shafts, in particular stern tube seal for the propeller shaft of a ship Grant 5,267,736 - Pietsch , et al. December 7, 1	1993-12-07
Sealing apparatus for rotating shafts, in particular stern tube seal for the propeller shafts of a ship Grant 5,209,497 - Von Bergen , et al. May 11, 1	1993-05-11
Sealing device for a rotating shaft of a ship propeller shaft Grant 5,137,116 - Von Bergen , et al. August 11, 1	1992-08-11
Microcapsules containing oils and soluble color reaction components, their manufacture and use in color reaction recording systems Grant 4,824,823 - Pietsch , et al. April 25, 1	1989-04-25
Aqueous ink and process for its manufacture Grant 4,770,706 - Pietsch September 13, 1	1988-09-13
Crane anti-skewing device Grant 4,505,207 - Bagaric , et al. March 19, 1	1985-03-19
Shaft sealing assembly Grant 4,413,829 - Pietsch November 8, 1	1983-11-08
Seal assembly for rotating shafts Grant 4,413,830 - Pietsch November 8, 1	1983-11-08
Bearing and seal assembly for stern tubes of vessels Grant 4,395,141 - Pietsch , et al. July 26, 1	1983-07-26

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