Inventor · disambiguated record
Helmut Wiehn
Also filed as: WIEHN HELMUET · WIEHN HELMUT
8 granted patents·2 pending applications·154 citations·filing 1982–2023
86Inventor score
Top patents by PatentIndex Score
10 records- 0194US4575332AMethod of and burner for burning liquid or gaseous fuels with decreased NOx formationBABCOCK WERKE AG·Filed 1984·Granted Mar 11, 1986·102 cites·24 claims
- 0288US12467000B2Fire retarding composition for use in wood composite panelsECOCHEM INT NV·Filed 2023·Granted Nov 11, 2025·1 cites·20 claims
- 0388US12312530B2Fire retarding composition for use in wood composite panelsECOCHEM INT NV·Filed 2023·Granted May 27, 2025·1 cites·22 claims
- 0474US11613703B2Fire retarding composition for use in wood composite panelsECOCHEM INT NV·Filed 2018·Granted Mar 28, 2023·1 cites·19 claims
- 0565US8642184B2Fire-resistant “oriented strand board” materialWIEHN HELMUT·Filed 2012·Granted Feb 4, 2014·4 cites·14 claims
- 0658US2024034888A1Non-halogen fire-retardant composition and use of said composition for direct and indirect fire protection layers on substratesECOCHEM INT NV·Filed 2021·Application pending·0 cites
- 0756US5418282AMethod of manufacturing fire-resistant resin foam and wood particle boards or shaped bodiesBHF CHEMIE BRANDHEMMENDE FUELL·Filed 1993·Granted May 23, 1995·22 cites·9 claims
- 0853US2024102248A1Use of non-halogen fire retardant composition for indirect fire protection layers on substratesECOCHEM INT NV·Filed 2021·Application pending·0 cites
- 0945US5054435AFurnace, especially a fluidized furnaceBABCOCK WERKE AG·Filed 1990·Granted Oct 8, 1991·13 cites·2 claims
- 1044US4465021ASteam generator with a main boiler and a fluidized bed furnaceBABCOCK AG·Filed 1982·Granted Aug 14, 1984·10 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →