GC

George R. Claassen

PI Ppg Industries: 24 patents #15 of 1,216Top 2%
📍 New Kensington, PA: #7 of 233 inventorsTop 4%
🗺 Pennsylvania: #2,611 of 74,527 inventorsTop 4%
Overall (All Time): #176,096 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
5769919 Pressure forming of glass sheets Irvin A. Wilson, David B. Rayburn, John L. McLaughlin, Rudolph A. Karlo, Jeffrey L. Marietti 1998-06-23
5669952 Pressure forming of glass sheets Irvin A. Wilson, David B. Rayburn, John L. McLaughlin, Rudolph A. Karlo, Jeffrey L. Marietti 1997-09-23
5259859 Lightweight vacuum shuttle James H. Schwartz, Thomas L. Waterloo, Richard V. Posney 1993-11-09
5118335 Tempering ring design Robert G. Frank, Rudolph A. Karlo, John J. Ewing 1992-06-02
4767434 Horizontal press bending pickup and delivery system James H. Schwartz, Thomas L. Waterloo 1988-08-30
4767437 Horizontal press bending using a splitting vacuum/pressure pickup DeWitt W. Lampman, Michael T. Fecik 1988-08-30
4741751 Extended surface pressing mold and method of sheet shaping Rudolph A. Karlo, Richard V. Posney 1988-05-03
4711653 Innovative press bending of thermoplastic sheets Robert G. Frank, Thomas L. Waterloo, Stephen J. Schultz, Michael T. Fecik 1987-12-08
4666492 Method and apparatus for shaping glass sheets Edward A. Thimons, Robert G. Frank, Michael T. Fecik, John J. Ewing, Samuel L. Seymour +1 more 1987-05-19
4662925 Horizontal press bending of heat softened glass sheets Edward A. Thimons, Robert G. Frank, Michael T. Fecik, John J. Ewing, Samuel L. Seymour 1987-05-05
4579577 Vacuum press mold construction 1986-04-01
4518411 Shaping glass sheets to complicated shapes using special lift mold Robert G. Frank, Michael T. Fecik 1985-05-21
4508556 Method and apparatus for bending glass sheets to complicated shapes including an S-shaped transverse bend Terry A. Bennett, William B. Zimmerman 1985-04-02
4488892 Pivotal shaped auxiliary gas heater for glass sheet shaping molds Robert G. Frank, John J. Ewing 1984-12-18
4487623 Method of and apparatus for removing sharply bent glass sheets from press bending molds John J. Ewing 1984-12-11
4470835 Shaping sheets of glass or other deformable material to a complicated curvature Michael T. Fecik, Robert G. Frank, John J. Ewing 1984-09-11
4430111 Method and apparatus to remove sharply bent, tempered glass sheets from a cooling station John J. Ewing 1984-02-07
4430110 Shaping sheets of glass or other deformable material to a compound curvature Robert G. Frank, John J. Ewing, Michael T. Fecik 1984-02-07
4331464 Glass sheet support of ring-like configuration John J. Ewing 1982-05-25
4318728 Double link arrangement for press bending molds and method of press shaping glass sheets 1982-03-09
4274858 Molds for press bending glass sheets Raymond J. Mickelic 1981-06-23
4244724 Double link arrangement for press bending molds 1981-01-13
4236909 Producing glass sheets having improved break patterns Dean Thomas, Robert G. Frank 1980-12-02
4210435 Method of making accent lines in bent glass sheets 1980-07-01