HF

Helmut Franz

PI Ppg Industries: 29 patents #10 of 1,216Top 1%
PO Ppg Industries Ohio: 2 patents #525 of 1,316Top 40%
DG Dr. Karl Thomae Gmbh: 1 patents #113 of 181Top 65%
KG Karl Thomae Gmbh: 1 patents #48 of 87Top 60%
LG Linde Gmbh: 1 patents #466 of 1,045Top 45%
📍 Pittsburgh, PA: #116 of 7,570 inventorsTop 2%
🗺 Pennsylvania: #1,398 of 74,527 inventorsTop 2%
Overall (All Time): #98,456 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
4454203 Pressing plastic with extensible coating James H. Hanlon, Lloyd G. Shick 1984-06-12
4447496 Organotin surface treatment and interleaving material for glass sheets Paul F. Duffer, Joseph D. Kelly 1984-05-08
4360544 Organotin surface treatment and interleaving material for glass sheets Paul F. Duffer, Joseph D. Kelly 1982-11-23
4332861 Plastic surface treatment James H. Hanlon, Lloyd G. Shick 1982-06-01
4311764 Polyurethane surface treatment and resulting monomolecular layered article 1982-01-19
4301197 Siloxane release surfaces on glass James H. Hanlon, Lloyd G. Shick 1981-11-17
4276350 Fluorocarbon treatment for reducing the reactivity of a glass surface and product 1981-06-30
4263371 Organotin treatment for reducing the reactivity of a glass surface 1981-04-21
4254046 Method for making dimethyltin difluoride Paul F. Duffer, James H. Hanlon 1981-03-03
4205974 Glass welding using aqueous colloidal graphite with improved wetting properties 1980-06-03