DH

Douglas J. Herdman

OS Osmose Utilities Services: 10 patents #2 of 20Top 10%
ST Stn: 2 patents #1 of 8Top 15%
OS Osmose: 1 patents #8 of 14Top 60%
📍 Fayetteville, GA: #15 of 200 inventorsTop 8%
🗺 Georgia: #2,498 of 35,610 inventorsTop 8%
Overall (All Time): #378,565 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
10760238 Protective pole cap Randy C. Marquardt, David Smith 2020-09-01
10227747 Protective pole cap Randy C. Marquardt, David Smith 2019-03-12
10194661 Methods of making dazomet compositions Thomas Pope, Peter Tham 2019-02-05
10085453 Controlled release, wood preserving composition with low-volatile organic content for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures Jun Zhang, Thomas Pope, Randy C. Marquardt 2018-10-02
9808015 Controlled release, wood preserving composition for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures Jun Zhang, Thomas Pope, Randy C. Marquardt 2017-11-07
9808009 Dazomet compositions Thomas Pope, Peter Tham 2017-11-07
9593245 Controlled release, wood preserving composition with low-volatile organic content for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures Jun Zhang, Thomas Pope, Randy C. Marquardt 2017-03-14
9510599 Dazomet compositions Thomas Pope, Peter Tham 2016-12-06
9464196 Controlled release, wood preserving composition with low-volatile organic content for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures Jun Zhang, Thomas Pope, Randy C. Marquardt 2016-10-11
9303169 Controlled release, wood preserving composition with low-volatile organic content for treatment in-service utility poles, posts, pilings, cross-ties and other wooden structures Jun Zhang, Thomas Pope, Randy C. Marquardt 2016-04-05
8221797 Wood preserving composition for treatment of in-service poles, posts, piling, cross-ties and other wooded structures Jun Zhang, Richard J. Ziobro 2012-07-17
6517748 Phosphate free fire retardant composition Michael Richards 2003-02-11
6306317 Phosphate free fire retardant composition Michael Richards 2001-10-23