Charles A. Hansen — 21 Patents at Electro Scan

Charles A. Hansen has been granted 21 US patents while listed as an inventor at Electro Scan. The first was granted in 1980 and the most recent in August 2025. Charles A. Hansen ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Charles A. Hansen in Rancho Cordova, CA, US.

Patents per Year

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Showing 1–21 of 21 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12385865	Lead detection system for underground pipes	Sean Blottie, Matthew Campos, Thomas VanBergen, Janine Mullinix, Sonja Hansen +3 more	2025-08-12
12105040	Lead detection system for underground pipes	Sean Blottie, Matthew Campos, Thomas VanBergen, Janine Mullinix, Sonja Hansen +3 more	2024-10-01
10845343	Process for finding potential defect indications in real time while ultrasonically scanning a weld	John Mark Davis, Archibald Leach Cobbs, Nicholas James Bublitz, Samuel Matthew Davis	2020-11-24
10816431	Leak detection system for underground access chambers using conductivity	Mark Grabowski, Sean Blottie, Cory Peters, Sonja Hansen, Bianca Hansen +1 more	2020-10-27
10641745	Method for checking for consistency and quality compliance in an ultrasonic scanning data file	John Mark Davis, Archibald Leach Cobbs, Nicholas James Bublitz, Samuel Matthew Davis	2020-05-05
10636064	Method for monetization of the data processing of ultrasonic scan data files	John Mark Davis, Archibald Leach Cobbs, Nicholas James Bublitz, Samuel Matthew Davis	2020-04-28
10598636	Ultrasonic weld analysis for orthotropic steel decking systems in bridges	John Mark Davis, Archibald Leach Cobbs, Nicholas James Bublitz, Samuel Matthew Davis	2020-03-24
10557772	Multi-sensor inspection for identification of pressurized pipe defects that leak	Mark Grabowski	2020-02-11
10557833	Method for prioritizing data processing of a plurality of ultrasonic scan data files	John Mark Davis, Archibald Leach Cobbs, Nicholas James Bublitz, Samuel Matthew Davis	2020-02-11
10551351	System and method for efficiently reviewing weld scan data by a weld inspector	John Mark Davis, Archibald Leach Cobbs, Samuel Matthew Davis	2020-02-04
10451515	Electric field expansion system for low voltage conductivity inspection	Mark Grabowski, Cory Peters	2019-10-22
10324066	System and method for the improved analysis of ultrasonic weld data	John Mark Davis, Archibald Leach Cobbs, Samuel Matthew Davis	2019-06-18
9933329	Multi-sensor inspection for identification of pressurized pipe defects that leak	Mark Grabowski	2018-04-03
9304055	System and method for identification of pipe defects that leak	Robert J. Harris	2016-04-05
9143740	Electro-scan integration into video pipe inspection vehicle	Robert J. Harris	2015-09-22
8762013	Shuttle strategy for vehicles with electronically controlled transmissions and engines	Garth H. Bulgrien	2014-06-24	$26,951,000
5447321	Oscillation stop mechanism for compact tractors	Joseph C. Hurlburt	1995-09-05
5337624	Powershift transmission with overlapping ranges of ratios	Garth H. Bulgrien	1994-08-16	$22,397,000
5297648	Compound steering mechanism	Joseph C. Hurlburt	1994-03-29	$23,324,000
4712445	Adjusting mechanism for tractor linkage	—	1987-12-15	$24,000,000
4201509	Backhoe swing cylinder hydraulic circuit	—	1980-05-06	$8,359,000

Charles A. Hansen — 21 Patents

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