Patents by Inventor Carl Stephens

Carl Stephens 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).

  • Three-speed transfer case
    Patent number: 6712729
    Abstract: A three-speed transfer case for providing a direct drive connection between the input shaft and the output shafts, a low-range drive connection and an ultra low-range drive connection. The ability to choose between the distinct speed ratio drive connections permits the vehicle operator to best match the road conditions or off-road terrain to the tractive requirements of the motor vehicle.
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: March 30, 2004
    Assignee: New Venture Gear, Inc.
    Inventors: Carl Stephens, Thomas Noble
  • Three-speed transfer case
    Publication number: 20030199358
    Abstract: A three-speed transfer case is disclosed to provide a direct drive connection between the input shaft and the output shafts, a low-range drive connection and an ultra low-range drive connection. The ability to choose between the distinct speed ratio drive connections permits the vehicle operator to best match the road conditions or off-road terrain to the tractive requirements of the motor vehicle.
    Type: Application
    Filed: June 9, 2003
    Publication date: October 23, 2003
    Inventors: Carl Stephens, Thomas Noble
  • THREE-SPEED TRANSFER CASE
    Publication number: 20030119619
    Abstract: A three-speed transfer case is disclosed to provide a direct drive connection between the input shaft and the output shafts, a low-range drive connection and an ultra low-range drive connection. The ability to choose between the distinct speed ratio drive connections permits the vehicle operator to best match the road conditions or off-road terrain to the tractive requirements of the motor vehicle.
    Type: Application
    Filed: December 21, 2001
    Publication date: June 26, 2003
    Inventors: Carl Stephens, Thomas Noble
  • Three-speed transfer case
    Patent number: 6575867
    Abstract: A three-speed transfer case for providing a direct drive connection between the input shaft and the output shafts, a low-range drive connection and an ultra low-range drive connection. The ability to choose between the distinct speed ratio drive connections permits the vehicle operator to best match the road conditions or off-road terrain to the tractive requirements of the motor vehicle.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: June 10, 2003
    Assignee: New Venture Gear, Inc.
    Inventors: Carl Stephens, Thomas Noble
  • HEPA filtered storage canisters
    Patent number: 5911332
    Abstract: Plutonium powders are stored in three embodiments of stainless steel canisters with stainless steel lids. The stainless steel canisters are extruded and have no interior welds. Each canister has a stainless steel lid with a vent having an integral HEPA filter. In order to secure the lids on the canister, collars with annular internal notches and external threads are disposed between the bodies of the canisters and the lids. The lids have internal threads so that the lids can be tightly screwed onto the collars. O-ring seals are disposed between the lids and collars.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: June 15, 1999
    Assignee: Nuclear Filter Technology, Inc.
    Inventors: Terry J. Wickland, Carl Stephens
  • Hepa filtered storage canisters
    Patent number: 5727707
    Abstract: Plutonium powders are stored in stainless steel canisters with stainless steel lids. The stainless steel canisters are extruded and have no interior welds. Each canister includes a vent with an integral HEPA filter. The canisters are of various capacities and nest, one within another, when not used for storage.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: March 17, 1998
    Assignee: Nuclear Filter Technology, Inc.
    Inventors: Terry J. Wickland, Carl Stephens