JE

John J. Ewing

PI Ppg Industries: 20 patents #23 of 1,216Top 2%
Overall (All Time): #226,683 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5118335 Tempering ring design George R. Claassen, Robert G. Frank, Rudolph A. Karlo 1992-06-02
4737182 Glass sheet press support and alignment systems Michael T. Fecik, Joseph C. Pavlik 1988-04-12
4666492 Method and apparatus for shaping glass sheets Edward A. Thimons, Robert G. Frank, Michael T. Fecik, George R. Claassen, Samuel L. Seymour +1 more 1987-05-19
4666496 Shuttling support frame for vacuum pickup Michael T. Fecik, Joseph C. Pavlik 1987-05-19
4662925 Horizontal press bending of heat softened glass sheets Edward A. Thimons, Robert G. Frank, Michael T. Fecik, George R. Claassen, Samuel L. Seymour 1987-05-05
4661139 Vacuum pressing of glass doublets Thomas J. Reese, Michael T. Fecik, Robert G. Frank, Terry A. Bennett 1987-04-28
4579573 Forming glass sheets of specialized asymmetric configurations Michael T. Fecik 1986-04-01
4556407 Tempering ring with pivoting glass sheet support member Michael T. Fecik, Robert G. Frank, Andrew C. Siminerio 1985-12-03
4556408 Dual ring segmented block tempering ring Michael T. Fecik, Robert G. Frank 1985-12-03
4539031 Apparatus for press shaping hot glass sheets Michael T. Fecik, Terry A. Bennett 1985-09-03
4526605 Vacuum mold for shaping glass sheets Robert G. Frank, Michael T. Fecik 1985-07-02
4525196 Glass sheet handling devices Michael T. Fecik, Edward I. Mates 1985-06-25
4501603 Method and apparatus for shaping glass sheets to complicated shapes Robert G. Frank, Michael T. Fecik 1985-02-26
4488892 Pivotal shaped auxiliary gas heater for glass sheet shaping molds Robert G. Frank, George R. Claassen 1984-12-18
4487623 Method of and apparatus for removing sharply bent glass sheets from press bending molds George R. Claassen 1984-12-11
4483702 Multiple chamber vacuum holder used to shape glass sheets with means to isolate adjacent vacuum chambers Robert G. Frank 1984-11-20
4470835 Shaping sheets of glass or other deformable material to a complicated curvature Michael T. Fecik, Robert G. Frank, George R. Claassen 1984-09-11
4430111 Method and apparatus to remove sharply bent, tempered glass sheets from a cooling station George R. Claassen 1984-02-07
4430110 Shaping sheets of glass or other deformable material to a compound curvature Robert G. Frank, George R. Claassen, Michael T. Fecik 1984-02-07
4331464 Glass sheet support of ring-like configuration George R. Claassen 1982-05-25