Fred L. DeRoos has been granted 8 US patents while listed as an inventor at 3M . The first was granted in 2000 and the most recent in December 2012. Fred L. DeRoos ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Fred L. DeRoos in Woodbury, MN, US.
Patents per Year Patents granted per year, 2000 to 2012 Bar chart with a peak of 2 patents in 2009. peak 2 2000: 1 patents 2000 2002: 1 patents 2002 2003: 1 patents 2003 2009: 2 patents 2009 2011: 2 patents 2011 2012: 1 patents 2012
Issued Patents All Time
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Showing 1–8 of 8 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8333718 Weighted bioacoustic sensor and method of using same Hatim M. Carim , Vivek Bharti 2012-12-18
$44,675,000
8024974 Cantilevered bioacoustic sensor and method using same Vivek Bharti , Hatim M. Carim 2011-09-27
$18,859,000
7998091 Weighted bioacoustic sensor and method of using same Hatim M. Carim , Vivek Bharti 2011-08-16
$20,450,000
7555934 Fluid permeation testing apparatus employing mass spectrometry Mark E. Mueller , Mark A. Roehrig 2009-07-07
$26,653,000
7552620 Fluid permeation testing method employing mass spectrometry Mark E. Mueller , Mark A. Roehrig 2009-06-30
$35,723,000
6521461 Fluoroalkene-nucleophile adducts for analysis and removal of fluoroalkenes Mark E. Mueller , Donald F. Hagen , Yuri Cheburkov , Glenn Delmont Johnson , John Stephen Marhevka +1 more 2003-02-18
$14,780,000
6437202 Fluoroalkene-nucleophile adducts for analysis and removal of fluoroalkenes Mark E. Mueller , Donald F. Hagen , Yuri Cheburkov , Glenn Delmont Johnson , John Stephen Marhevka +1 more 2002-08-20
$12,486,000
6147268 Fluoroalkene-nucleophile adducts for analysis and removal of fluoroalkenes Mark E. Mueller , Donald F. Hagen , Yuri Cheburkov , Glenn Delmont Johnson , John Stephen Marhevka +1 more 2000-11-14
$36,874,000
