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 1–25 of 35 patents

Patent #TitleCo-InventorsDate
10619795 Monitoring apparatus for pressure vessels Piers Lambert, Rigoberto Perez De Alejo Fortun 2020-04-14
6469119 Siloxane organic hybrid polymers John D. Basil, Chia-Cheng Lin, Robert M. Hunia 2002-10-22
6180248 Siloxane organic hybrid polymers John D. Basil, Chia-Cheng Lin, Robert M. Hunia 2001-01-30
5713986 Resist material for deletion of coatings Peter T. Dishart, Glenn Freeman, Frank J. Pazul, Robert T. Shumaker, Jr., James F. Wilson 1998-02-03
5707412 Method of reducing glass sheet marking Fred A. Fortunato 1998-01-13
5695876 Method and composition for applying acidic interleaving material in aqueous media to glass sheets Fred A. Fortunato 1997-12-09
5641576 Buffered acid interleaving for glass sheets 1997-06-24
5578305 Methods and preparations for preventing adhesions to organs and parts of organs Thomas Müller, Wolfgang Fisert 1996-11-26
5547129 Low profile spray assembly Fred A. Fortunato, Barry L. Shadle 1996-08-20
5527831 Pharmaceutical composition for topical application to the eye for treating increased intraocular pressure Hannes E. Kompa, Tibor Rozman 1996-06-18
5523162 Water repellent surface treatment for plastic and coated plastic substrates George B. Goodwin, Gary J. Marietti 1996-06-04
5364622 Methods for preventing adhesions to organs and parts of organs by application of tissue plasminogen activator and hydroxyethylcellulose hydrogel Thomas Müller, Wolfgang Eisert 1994-11-15
5308705 Water repellent surface treatment George B. Goodwin 1994-05-03
5126001 Removable release agent on glass and bonding method employing same James H. Hanlon, Lloyd G. Shick 1992-06-30
5026597 Soluble polymer interleaving material James H. Hanlon, Lloyd G. Shick 1991-06-25
4997684 Method of using perfluoroalkylsilanes to lower the surface energy of glass George B. Goodwin 1991-03-05
4983459 Chemically reacted glass surface George B. Goodwin 1991-01-08
4606946 Method of applying interleaving material to glass sheets Paul F. Duffer, Joseph D. Kelly 1986-08-19
4578203 Polymer solution working fluid for finishing processes James H. Hanlon, Lloyd G. Shick 1986-03-25
4568605 Acidified powdered interleaving Paul F. Duffer, Joseph D. Kelly 1986-02-04
4530889 Acidified powdered interleaving Paul F. Duffer, Joseph D. Kelly 1985-07-23
4529657 Method for lowering the surface energy of glass 1985-07-16
4529648 Method of applying interleaving material to glass sheets Paul F. Duffer, Joseph D. Kelly 1985-07-16
4489106 Two step interleaving method Paul F. Duffer, Joseph D. Kelly 1984-12-18
4487807 Mixed acid stain inhibitor Paul F. Duffer, Joseph D. Kelly 1984-12-11