HL

Howard W. Ludewig

Caterpillar: 14 patents #341 of 8,398Top 5%
📍 Groveland, IL: #2 of 11 inventorsTop 20%
🗺 Illinois: #6,059 of 84,256 inventorsTop 8%
Overall (All Time): #348,089 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10286482 Weld kit and method for limited access weld joints Huijun Wang, Kendall R. Powell, Yan Shao, Donald Stickel 2019-05-14
9649966 Truck body for a machine Huijun Wang, Donald Stickel, Danny L. McCaherty 2017-05-16
9545693 Consumable insert for welding Huijun Wang, Leon Adcock, Kendall R. Powell, Donald Stickel 2017-01-17
9193002 Welding system implementing concurrent auto-dam fabrication Leon Adcock, Donald Stickel 2015-11-24
8322591 Automated assembly and welding of structures Fernando Martinez Diez, Keith Alan Herman, Huijun Wang, Mathew Mark Robinson 2012-12-04
8157155 Automated assembly and welding of structures Fernando Martinez Diez, Keith Alan Herman, Huijun Wang, Mathew Mark Robinson 2012-04-17
8075714 Localized induction heating for residual stress optimization Pingshun Zhao, Tao Hong, Fernando Martinez Diez, Michael Lynn Johnson, Kandarp Siddharthbai Patel +2 more 2011-12-13
7525067 Dual wire welding torch and method Fernando Martinez Diez, Kevin Stump, Alan L. Kilty, Matthew M. Robinson, Keith Egland 2009-04-28
6362456 Method and system for controlling weld geometry features for improved fatigue performance of fabricated structures Ilhan Varol 2002-03-26
6184491 Method and apparatus for monitoring weld quality Bryan Crane, Alan L. Kilty, Brett A. Jones 2001-02-06
6024273 Method and system for determining weld bead quality Samuel L. McClallen, Ilhan Varol 2000-02-15
5750957 Method for arc welding fault detection Alan L. Kilty, Brian L. Wallace 1998-05-12
5729345 Apparatus and method for determining distortion of a welded member Adam Moore, Ilhan Varol 1998-03-17
5521354 Method for arc welding fault detection James H. Siwicke, Alan L. Kilty, Brian L. Wallace, Stephen A. Haytcher, Dean E. Rees 1996-05-28