DH

Douglas A. Hofmann

OC Ocv Intellectual Capital: 19 patents #2 of 154Top 2%
OF Owens-Corning Fiberglas: 1 patents #258 of 497Top 55%
📍 Hebron, OH: #1 of 23 inventorsTop 5%
🗺 Ohio: #3,336 of 73,341 inventorsTop 5%
Overall (All Time): #222,681 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
9878941 Glass composition for producing high strength and high modulus fibers Peter B. McGinnis 2018-01-30
9695083 Method of manufacturing S-glass fibers in a direct melt operation and products formed therefrom Peter B. McGinnis 2017-07-04
9656903 Method of manufacturing high strength glass fibers in a direct melt operation and products formed there from Peter B. McGinnis, David J. Baker, John W. Wingert, Byron Bemis 2017-05-23
9586856 High strength glass fibers with controlled refractive index, composition for making such fibers and composite materials formed therefrom Peter B. McGinnis, Rebecca Elaine Cochran 2017-03-07
9546107 Glass composition for the manufacture of fibers and process Peter B. McGinnis, Michelle L. Korwin-Edson 2017-01-17
9352999 Glass composition for producing high strength and high modulus fibers Peter B. McGinnis 2016-05-31
9346944 Glass composition for producing high strength and high modulus fibers Peter B. McGinnis 2016-05-24
9206068 Method of manufacturing S-glass fibers in a direct melt operation and products formed therefrom Peter B. McGinnis, David J. Baker, John W. Wingert, Byron Bemis 2015-12-08
9187361 Method of manufacturing S-glass fibers in a direct melt operation and products formed there from Peter B. McGinnis 2015-11-17
9156729 High refractive index glass composition Peter B. McGinnis 2015-10-13
9029279 Glass composition for producing high strength and high modulus fibers Peter B. McGinnis 2015-05-12
8987154 Modulus, lithium free glass Peter B. McGinnis, John W. Wingert, Anne Berthereau 2015-03-24
8586491 Composition for high performance glass, high performance glass fibers and articles therefrom Peter B. McGinnis 2013-11-19
8563450 Composition for high performance glass high performance glass fibers and articles therefrom Peter B. McGinnis 2013-10-22
8341978 Method of manufacturing high performance glass fibers in a refractory lined melter and fiber formed thereby Peter B. McGinnis 2013-01-01
8338319 Composition for high performance glass fibers and fibers formed therewith Peter B. McGinnis 2012-12-25
8252707 Composition for high performance glass fibers and fibers formed therewith Peter B. McGinnis 2012-08-28
7799713 Composition for high performance glass, high performance glass fibers and articles therefrom Peter B. McGinnis 2010-09-21
7767606 Low viscosity E-glass composition enabling the use of platinum and rhodium free bushings Peter B. McGinnis 2010-08-03
5789329 Boron-free glass fibers Walter L. Eastes, John W. Wingert 1998-08-04