Michael R. Weeks has been granted 9 US patents while listed as an inventor at Esco Group . The first was granted in 2007 and the most recent in July 2020. Michael R. Weeks ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Michael R. Weeks in Portland, OR, US.
Patents per Year Patents granted per year, 2007 to 2020 Bar chart with a peak of 2 patents in 2015. peak 2 2007: 1 patents 2007 2015: 2 patents 2015 2017: 1 patents 2017 2018: 2 patents 2018 2019: 1 patents 2019 2020: 2 patents 2020
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
10710092 Discharge grates for reduction mills Kyle J. Meeuwsen , Casey Springer 2020-07-14
10682649 Discharge grates for reduction mills Daniel R. Morrow , Lonny Morgan 2020-06-16
10471435 Hammer for shredding machines David M. Graf , John P. Hoice , Daniel R. Morrow , Terry L. Briscoe , Christopher M. Carpenter 2019-11-12
10022724 Stepped shredder hammers David M. Graf , Christoper M. Carpenter 2018-07-17
$3,032,000
9855560 Hammer for shredding machines David M. Graf , John P. Hoice , Daniel R. Morrow , Terry L. Briscoe , Christopher M. Carpenter 2018-01-02
$8,461,000
D792488 Hammer for shredding machines David M. Graf , John P. Hoice , Daniel R. Morrow , Terry L. Briscoe , Christopher M. Carpenter 2017-07-18
D731564 Hammer for shredding machines David M. Graf , John P. Hoice , Daniel R. Morrow , Terry L. Briscoe , Christopher M. Carpenter 2015-06-09
D731565 Stepped hammer for shredding machines David M. Graf , Christopher M. Carpenter 2015-06-09
D545442 Waterproof cast protector — 2007-06-26