Membership
Tour
Register
Log in
Hermann Gemeinhardt
Follow
Person
Obernburg, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Process for producing a tube sheet
Patent number
5,158,729
Issue date
Oct 27, 1992
Akzo nv
Hermann Gemeinhardt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Tube sheet for apparatus for transferring heat and/or mass, use the...
Patent number
4,984,630
Issue date
Jan 15, 1991
Akzo nv
Hermann Gemeinhardt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for transferring mass and/or heat
Patent number
4,932,470
Issue date
Jun 12, 1990
Akzo nv
Hermann Gemeinhardt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Heat exchanger and method of making heat exchangers
Patent number
4,867,233
Issue date
Sep 19, 1989
Akzo N.V.
Hermann Gemeinhardt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for the manufacture of apparatus for the transfer of heat an...
Patent number
4,834,930
Issue date
May 30, 1989
Akzo N.V.
Hermann Gemeinhardt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Heat exchanger having fusion bonded plastic tubes/support plate
Patent number
4,790,372
Issue date
Dec 13, 1988
Akzo N.V.
Hermann Gemeinhardt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL