Refratechnik Holding GmbH
🏢 View company profile →29Patents
15Active
29Granted
41Portfolio score
Filing activity: Sep 2, 1976 → Nov 28, 2018 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8030236B2 | Fire-resistant ordinary ceramic batch, and fire-resistant product therefrom | Chemistry; Metallurgy | 12 | Active |
| US4049464A | Method of producing low-carbon, white husk ash | Emerging Cross-Sectional Technologies | 7 | Expired |
| US10029945B2 | Geopolymer-binder system for fire concretes, dry fire concrete mix containing the binder system and also the use of the mix | Emerging Cross-Sectional Technologies | 7 | Active |
| US9382161B2 | Process using non-fired refractory products as a lining of large-volume industrial furnaces and industrial furnaces lined with the non-fired refractory products | Emerging Cross-Sectional Technologies | 5 | Active |
| US7632770B2 | Industrial ceramic shaped body and process for producing same | Chemistry; Metallurgy | 3 | Expired |
| US9403728B2 | Flame-retardant product and use thereof | Chemistry; Metallurgy | 3 | Active |
| US4213789A | Glass forming compound and brick made therewith | Chemistry; Metallurgy | 2 | Expired |
| US6705243B2 | Supporting-arch construction and process for producing a supporting arch | Fixed Constructions | 2 | Expired |
| US8193110B2 | Refractory carbon-bonded magnesia brick and process for producing it | Chemistry; Metallurgy | 2 | Active |
| US6846766B1 | Carbonaceous refractory shaped body with improved oxidation behavior and batch composition and method for producing the same | Chemistry; Metallurgy | 2 | Expired |
| US6645425B1 | Refractory batch, in particular for the production of a shaped body, and process for producing the shaped body | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7594948B2 | Covering means for a top slag, method for the production thereof and use of the covering means | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4303449A | Glass forming compound and brick made therewith | Chemistry; Metallurgy | 1 | Expired |
| US6846763B2 | Refractory repair material batch | Chemistry; Metallurgy | 1 | Expired |
| US9809498B2 | Refractory coarse ceramic product and method for producing the same and its use | Chemistry; Metallurgy | 1 | Active |
| US10093581B2 | Refractory batch and use thereof | Electricity | 1 | Active |
| US11219943B2 | Plate, in particular covering plate for molten metal, and method for producing the plate and use thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US11150022B2 | Use of a heat insulating molded body for isolation of molten metal against the atmosphere or against a metallurgical vessel | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9862645B2 | Fireproof product containing graphite, method for producing said product, and use of said product | Chemistry; Metallurgy | 0 | Active |
| US7459210B2 | Granulated raw material for refractory products and also a process for the production of and use of the granulated raw material | Emerging Cross-Sectional Technologies | 0 | Expired |
| US11440847B2 | Method for producing a porous sintered magnesia, backfill for producing a heavy-clay refractory product with a granulation from the sintered magnesia, product of this type, and method for the production thereof, lining of an industrial furnace and industrial furnace | Chemistry; Metallurgy | 0 | Active |
| US11148973B2 | Insulating, refractory molded body, especially plate, and process for its manufacture and its usage | Emerging Cross-Sectional Technologies | 0 | Active |
| US6887810B2 | Synthetic, refractory material for refractory products, and process for producing the product | Chemistry; Metallurgy | 0 | Expired |
| US6740612B2 | Resistor for refractory shaped bodies, and shaped bodies derived therefrom | Chemistry; Metallurgy | 0 | Expired |
| US11603319B2 | Synthesis method for producing a calcium zirconate-containing material and batch and coarse ceramic refractory product having a pre-synthesized calcium zirconate-containing granular material | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.