Alan Walter Knapper has been granted 10 US patents while listed as an inventor at Custom-Pak . The first was granted in 2008 and the most recent in October 2021. Alan Walter Knapper ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Alan Walter Knapper in McCausland, IA, US.
Patents per Year Patents granted per year, 2008 to 2021 Bar chart with a peak of 2 patents in 2014. peak 2 2008: 1 patents 2008 2012: 1 patents 2012 2014: 2 patents 2014 2015: 1 patents 2015 2016: 1 patents 2016 2017: 1 patents 2017 2019: 1 patents 2019 2020: 1 patents 2020 2021: 1 patents 2021
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date
11141639 Basketball set Ronald A. Zimmer , Steven Dean Eggers 2021-10-12
10709948 Basketball set Ronald A. Zimmer , Steven Dean Eggers 2020-07-14
10167035 Blow molded toy cycle Jeffrey Scott Anderson , Andrew James McDonnough , Pamela Jo Naeve , Duane Franzen , Michael Grinnall 2019-01-01
9682739 Blow molded toy cycle Jeffrey Scott Anderson , Andrew James McDonnough , Pamela Jo Naeve , Duane Franzen , Michael Grinnall 2017-06-20
9387556 Method and system for assembling blow molded panels to create cantilevered structures Ronald A. Zimmer 2016-07-12
8939674 System and method for assembling blow molded parts without use of fasteners Ronald A. Zimmer 2015-01-27
8857351 Modular support assembly with fortifying flange Ronald A. Zimmer 2014-10-14
D700096 Vertical panel highway marker Cristopher Alejandro Leon Cortez , Mark M. Rutenbeck , Alberto Gutierrez 2014-02-25
8283007 Blow molded receptacle and system for making same Daniel E. Koranda , Michael Grinnall 2012-10-09
7393495 Methods and apparatuses for the formation of blow molded objects Michael Grinnall 2008-07-01