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Hans-Joachim Lippold
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D-1000 Berlin 22, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Filter material and method
Patent number
6,997,969
Issue date
Feb 14, 2006
LPD Technologies
Dirk Dieter Hans Ter Horst
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Fluid filter element
Patent number
6,685,833
Issue date
Feb 3, 2004
LPD Technologies, Inc.
Hans-Joachim Lippold
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Accordion filter with a protective mask
Patent number
6,299,660
Issue date
Oct 9, 2001
Firma Carl Freudenberg
Peter Pfeuffer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Cartridge filter with frame
Patent number
6,274,039
Issue date
Aug 14, 2001
Firma Carl Freudenberg
Andreas Brandhofer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Cartridge filter with frame
Patent number
6,059,966
Issue date
May 9, 2000
Firma Carl Fredenberg
Andreas Brandhofer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Block-shaped pleated filter insert
Patent number
5,290,447
Issue date
Mar 1, 1994
Hans-Joachim Lippold
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for the production of a filter cartridge
Patent number
5,089,202
Issue date
Feb 18, 1992
Hans-Joachim Lippold
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Filter cartridge
Patent number
5,066,319
Issue date
Nov 19, 1991
Hans-Joachim Lippold
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Filter cartridge
Patent number
5,053,131
Issue date
Oct 1, 1991
Hans-Joachim Lippold
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Filter cartridge
Patent number
5,028,331
Issue date
Jul 2, 1991
Hans-Joachim Lippold
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Fluid filter element
Publication number
20020033224
Publication date
Mar 21, 2002
Hans-Joachim Lippold
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL