Inventor · disambiguated record
Wolfgang Metzner
Also filed as: METZNER WOLFGANG
17 granted patents·342 citations·filing 1975–2021
95Inventor score
Files withBROWN & WILLIAMSON TOBACCO CORP5DESOWAG MATERIALSCHUTZ GMBH4SOLVAY WERKE GMBH4DESOWAG BAYER HOLZSCHUTZ GMBH2BRITISH AMERICAN TOBACCO CO1
Top patents by PatentIndex Score
17 records- 0187US4935457AFiberboard method and compositionSOLVAY WERKE GMBH·Filed 1987·Granted Jun 19, 1990·64 cites·23 claims
- 0281US4824484AAgent for preserving wood or wood-based materials and method for preparation and use thereofDESOWAG MATERIALSCHUTZ GMBH·Filed 1988·Granted Apr 25, 1989·45 cites·29 claims
- 0377US5159778AMethod and article for the preventive protection of materials against soil-dwelling pestsDESOWAG MATERIALSCHUTZ GMBH·Filed 1990·Granted Nov 3, 1992·23 cites·21 claims
- 0471US4750934AComposition or concentrate for conserving wood and wood materialsDESOWAG BAYER HOLZSCHUTZ GMBH·Filed 1986·Granted Jun 14, 1988·21 cites·24 claims
- 0570US5248450AComposition for use an an agent or concentrate for the preservation of wood or wood materialsDESOWAG MATERIALSCHUTZ GMBH·Filed 1990·Granted Sep 28, 1993·32 cites·22 claims
- 0667US6089238AUltralight coaxial cigarette including a multipart filterBROWN & WILLIAMSON TOBACCO CORP·Filed 1998·Granted Jul 18, 2000·49 cites·9 claims
- 0758US4337093AWood preserving composition and method of using sameSOLVAY WERKE GMBH·Filed 1980·Granted Jun 29, 1982·16 cites·18 claims
- 0858US4041176APreservative composition for wood and wood building materials and method of using sameDESOWAG BAYER HOLZSCHUTZ GMBH·Filed 1975·Granted Aug 9, 1977·5 cites·29 claims
- 0952US5722431AMethod and plant for treating tobacco leaves for the production of cut tobaccoBRITISH AMERICAN TOBACCO CO·Filed 1996·Granted Mar 3, 1998·20 cites·25 claims
- 1047US11588401B2Method for operating an inverter and inverter for carrying out the methodFRONIUS INT GMBH·Filed 2021·Granted Feb 21, 2023·0 cites·15 claims
- 1147US5303502AMethod and article for the preventive protection of materials against soil-dwelling pestsDESOWAG MATERIALSCHUTZ GMBH·Filed 1992·Granted Apr 19, 1994·18 cites·31 claims
- 1245US5826590AMethod and plant for treating tobacco stems for the production of cut tobaccoBROWN & WILLIAMSON TOBACCO CORP·Filed 1997·Granted Oct 27, 1998·13 cites·17 claims
- 1341US5156673AComposition for preservation of wood and wood-based materialsSOLVAY WERKE GMBH·Filed 1987·Granted Oct 20, 1992·8 cites·12 claims
- 1440US5813413AMethod and plant for treating tobacco leaves for the production of cut tobaccoBROWN & WILLIAMSON TOBACCO CORP·Filed 1996·Granted Sep 29, 1998·9 cites·21 claims
- 1538US6227205B1Method for treatment of tobacco fine cutBROWN & WILLIAMSON TOBACCO CORP·Filed 1998·Granted May 8, 2001·10 cites·12 claims
- 1634US5308859AComposition for preservation of wood and wood-based materialsSOLVAY WERKE GMBH·Filed 1991·Granted May 3, 1994·5 cites·23 claims
- 1732US6082550ACooling and sieve drum for tobacco materialBROWN & WILLIAMSON TOBACCO CORP·Filed 1998·Granted Jul 4, 2000·4 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Wolfgang Metzner files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →