Inventor · disambiguated record
Herbert W. Barch
Also filed as: BARCH HERBERT W
22 granted patents·530 citations·filing 1975–1989
96Inventor score
Files withPPG INDUSTRIES INC22
Top patents by PatentIndex Score
22 records- 0192US4466151AApplicator for applying a coating to a surfacePPG INDUSTRIES INC·Filed 1982·Granted Aug 21, 1984·68 cites·30 claims
- 0291US4610789AFiltration cartridge and reactorPPG INDUSTRIES INC·Filed 1985·Granted Sep 9, 1986·78 cites·16 claims
- 0388US4933307ASilica-rich porous substrates with reduced tendencies for breaking or crackingPPG INDUSTRIES INC·Filed 1988·Granted Jun 12, 1990·64 cites·27 claims
- 0486US4145202AMethod for reprocessing glass fibersPPG INDUSTRIES INC·Filed 1978·Granted Mar 20, 1979·52 cites·13 claims
- 0579US4305742AMethod of forming and sizing glass fibersPPG INDUSTRIES INC·Filed 1981·Granted Dec 15, 1981·34 cites·9 claims
- 0678US4434521AApplicator for applying a coating to a surfacePPG INDUSTRIES INC·Filed 1982·Granted Mar 6, 1984·32 cites·17 claims
- 0776US4842620AProcess of gas enrichment with porous siliceous-containing materialPPG INDUSTRIES INC·Filed 1987·Granted Jun 27, 1989·42 cites·37 claims
- 0874US3999970AGas support gathering shoe for forming glass fibers and method for using samePPG INDUSTRIES INC·Filed 1975·Granted Dec 28, 1976·20 cites·19 claims
- 0973US4689255AMat structurePPG INDUSTRIES INC·Filed 1986·Granted Aug 25, 1987·34 cites·24 claims
- 1072US4491082ACylindrical sleeve applicator for use in manufacturing chemically treated filamentsPPG INDUSTRIES INC·Filed 1982·Granted Jan 1, 1985·17 cites·13 claims
- 1169US4941904AMethod and apparatus for forming hollow fibersPPG INDUSTRIES INC·Filed 1989·Granted Jul 17, 1990·18 cites·18 claims
- 1264US4370157AStable sizing compositions used during forming of glass fibers and resulting fiberPPG INDUSTRIES INC·Filed 1981·Granted Jan 25, 1983·20 cites·4 claims
- 1352US4085487AMethod for producing slubby yarnPPG INDUSTRIES INC·Filed 1977·Granted Apr 25, 1978·4 cites·17 claims
- 1451US4517916AApplicator for treating textile filaments with chemical treatmentsPPG INDUSTRIES INC·Filed 1982·Granted May 21, 1985·14 cites·9 claims
- 1544US4690760ANovel cartridge with stress relieving memberPPG INDUSTRIES INC·Filed 1986·Granted Sep 1, 1987·11 cites·21 claims
- 1644US4071341AApparatus for forming glass fibersPPG INDUSTRIES INC·Filed 1977·Granted Jan 31, 1978·9 cites·12 claims
- 1741US4099307AApparatus for producing slubby yarnPPG INDUSTRIES INC·Filed 1977·Granted Jul 11, 1978·2 cites·4 claims
- 1839US4239162AFiber traversing spiralPPG INDUSTRIES INC·Filed 1979·Granted Dec 16, 1980·5 cites·5 claims
- 1936US4100723AApparatus for producing slubby yarnPPG INDUSTRIES INC·Filed 1977·Granted Jul 18, 1978·1 cites·2 claims
- 2032US4096685AMethod and apparatus for producing slubby yarnPPG INDUSTRIES INC·Filed 1976·Granted Jun 27, 1978·1 cites·33 claims
- 2131US3996409AHigh temperature adhesive-sealant compositionPPG INDUSTRIES INC·Filed 1975·Granted Dec 7, 1976·4 cites·9 claims
- 2229US4100726AMethod for producing slubby yarnPPG INDUSTRIES INC·Filed 1977·Granted Jul 18, 1978·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →