Patents by Inventor Paul Hatting

Paul Hatting has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5634486
    Abstract: A coupling member between a valve driver and a valve has a pin extending into the valve driver shaft and a head with a groove receiving the shaft of the valve and a recess accommodating the packing nut thereof. A spring braced between the coupling member and the valve driver allows the coupling member to be lifted from the nut for tightening thereof.
    Type: Grant
    Filed: September 13, 1994
    Date of Patent: June 3, 1997
    Assignee: ITT Richter Chemie-Technik GmbH
    Inventors: Paul Hatting, Gunter Naasner
  • Patent number: 5476271
    Abstract: A shaft extending along an axis through a bore in a body and forming with the body an axially outwardly open compartment has a seal assembly having an elastomeric sleeve-like seal seated in the compartment and a rigid sleeve generally coaxial with the seal. The seal has a plurality of inner peripheries bearing radially inward on the shaft and an outer end projecting axially out of the compartment. The sleeve is secured axially to the seal for extraction of the seal from the compartment by outward movement of the sleeve.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: December 19, 1995
    Inventors: Paul Hatting, Bernhard Laufs
  • Patent number: 4854823
    Abstract: A leak indicating device for a magnetic centrifugal pump having a separating pot which seals against the pumped medium and which comprises two separating pots with collars inserted one within another. The device contains a ring which is clamped between the collars of the two separating pots. The ring has a radial bore which connects the space between the separating pots to an indicator.
    Type: Grant
    Filed: February 11, 1988
    Date of Patent: August 8, 1989
    Inventors: Paul Hatting, Kurt Wienen