Eric Willman — 7 Patents at Barnstead/Thermolyne

Eric Willman has been granted 7 US patents while listed as an inventor at Barnstead/Thermolyne. The first was granted in 2001 and the most recent in September 2013. Eric Willman ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Eric Willman in Dubuque, IA, US.

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Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8540937	Formulating chemical solutions based on volumetric and weight based control measurements	Larry Mitchell Lark, Darren Jahnke, Warren Pannkuk	2013-09-24	$91,505,000
7803321	Formulating chemical solutions based on volumetric and weight based control measurements	Larry Mitchell Lark, Darren Jahnke, Warren Pannkuk	2010-09-28	$38,940,000
RE40310	Water purification system and method including dispensed volume sensing and control	Thomas J. Larkner, Steven C. Peake, Chester E. Chomka, Joseph F. Tilp, Kerry W. Leppert +1 more	2008-05-13
6585885	Water purification system and method including dispensed volume sensing and control	Thomas J. Larkner, Steven C. Peake, Chester E. Chomka, Joseph F. Tilp, Kerry W. Leppert +1 more	2003-07-01
6432300	Water purification system and method including dispensed volume sensing and control	Thomas J. Larkner, Steven C. Peake, Chester E. Chomka, Joseph F. Tilp, Kerry W. Leppert +1 more	2002-08-13
6379560	Water purifying apparatus and method for purifying water	Joseph F. Tilp, Steven C. Peake, Chester E. Chomka, Thomas J. Larkner, Kerry W. Leppert +1 more	2002-04-30
6328881	Water purification system and method including dispensed volume sensing and control	Thomas J. Larkner, Steven C. Peake, Chester E. Chomka, Joseph F. Tilp, Kerry W. Leppert +1 more	2001-12-11

Eric Willman — 7 Patents

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