Inventor
BARCH HERBERT W
22 patents
Patents
22 patentsUS4610789ASep 9, 1986
Filtration cartridge and reactor
PPG INDUSTRIES INC78 citations96
US4466151AAug 21, 1984
Applicator for applying a coating to a surface
PPG INDUSTRIES INC68 citations94
US4933307AJun 12, 1990
Silica-rich porous substrates with reduced tendencies for breaking or cracking
PPG INDUSTRIES INC64 citations93
US4689255AAug 25, 1987
Mat structure
PPG INDUSTRIES INC34 citations91
US4305742ADec 15, 1981
Method of forming and sizing glass fibers
PPG INDUSTRIES INC34 citations91
US4434521AMar 6, 1984
Applicator for applying a coating to a surface
PPG INDUSTRIES INC32 citations90
US4842620AJun 27, 1989
Process of gas enrichment with porous siliceous-containing material
PPG INDUSTRIES INC42 citations89
US4145202AMar 20, 1979
Method for reprocessing glass fibers
PPG INDUSTRIES INC52 citations84
US3999970ADec 28, 1976
Gas support gathering shoe for forming glass fibers and method for using same
PPG INDUSTRIES INC20 citations81
US4370157AJan 25, 1983
Stable sizing compositions used during forming of glass fibers and resulting fiber
PPG INDUSTRIES INC20 citations80
US4941904AJul 17, 1990
Method and apparatus for forming hollow fibers
PPG INDUSTRIES INC18 citations72
US4690760ASep 1, 1987
Novel cartridge with stress relieving member
PPG INDUSTRIES INC11 citations72
US4085487AApr 25, 1978
Method for producing slubby yarn
PPG INDUSTRIES INC4 citations72
US4071341AJan 31, 1978
Apparatus for forming glass fibers
PPG INDUSTRIES INC9 citations72
US4517916AMay 21, 1985
Applicator for treating textile filaments with chemical treatments
PPG INDUSTRIES INC14 citations71
US4491082AJan 1, 1985
Cylindrical sleeve applicator for use in manufacturing chemically treated filaments
PPG INDUSTRIES INC17 citations71
US4100723AJul 18, 1978
Apparatus for producing slubby yarn
PPG INDUSTRIES INC1 citations61
US4099307AJul 11, 1978
Apparatus for producing slubby yarn
PPG INDUSTRIES INC2 citations61
US4239162ADec 16, 1980
Fiber traversing spiral
PPG INDUSTRIES INC5 citations60
US3996409ADec 7, 1976
High temperature adhesive-sealant composition
PPG INDUSTRIES INC4 citations59
US4100726AJul 18, 1978
Method for producing slubby yarn
PPG INDUSTRIES INC0 citations51
US4096685AJun 27, 1978
Method and apparatus for producing slubby yarn
PPG INDUSTRIES INC1 citations51