Clifford L Johns

6 Patents

• US124673152025

  Smart Ladder

  USS Veteran Services Company LLC

  0 cites
• US123506772025

  Device for Loading Pellets Into Reactor Tubes

  Tubemaster, Inc.

  0 cites
• US122283562025

  Device for Cleaning Inner Surface of Heat Exchanger Tubes

  Tubemaster, Inc.

  0 cites
• US118335012023

  Universal Tube Marker for Identifying Chemical Reactor Tubes Accurately and Efficiently

  Tubemaster, Inc.

  0 cites
• US116605792023

  Air Lance for Removing Pellets from Tubes

  Tubemaster, Inc.

  0 cites
• US115904712023

  Device and Method for Loading Pellets Into Reactor Tubes

  Tubemaster, Inc.

  0 cites