RK

Robert Douglas Koren

CP Column & Post: 8 patents #1 of 3Top 35%
DS Digger Specialties: 4 patents #2 of 3Top 70%
📍 Cary, NC: #500 of 3,681 inventorsTop 15%
🗺 North Carolina: #3,858 of 45,564 inventorsTop 9%
Overall (All Time): #375,571 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
D972855 Drain shield 2022-12-20
11014271 Method and apparatus for molding columns 2021-05-25
10377063 Production line for manufacturing molded columns 2019-08-13
10328614 Method and apparatus for extracting columns from molds 2019-06-25
10160143 Method and apparatus for molding columns 2018-12-25
9470001 System and method for installing columns 2016-10-18
8713873 System and method for installing columns 2014-05-06
8424259 System and method for installing columns 2013-04-23
8234837 Split columns with locating features David Szilezy, Joseph Hahn 2012-08-07
7611401 Mount for a belt-sanding apparatus 2009-11-03
7575706 Mold and molding process 2009-08-18
7549616 Molding device for molding parts 2009-06-23
6808154 Mold and molding process 2004-10-26