Kanthal AB
27Patents
3Active
27Granted
48Portfolio score
Filing activity: Aug 23, 1985 → Feb 8, 2023
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5206880A | Furnace having tubes for cracking hydrocarbons | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4908497A | Flat electrical resistance heating element | Electricity | 29 | Expired |
| US4797537A | Foil element | Electricity | 19 | Expired |
| US6425754B1 | Method of purifying waste gases, and a gas burner | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6125134A | Electric furnace assembly | Electricity | 9 | Expired |
| USD452561S | Heating element | General | 9 | Expired |
| US5708408A | Electric resistance element | Chemistry; Metallurgy | 8 | Expired |
| US5946341A | Method pertaining to the operation of electric furnaces, and a furnace | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| USD449375S | Heating element | General | 6 | Expired |
| US6160957A | Infrared radiation panel | Electricity | 6 | Expired |
| US6308008A | IR-source with helically shaped heating element | Electricity | 6 | Expired |
| US5267609A | Heat radiation tube | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4642887A | Method of manufacturing loop-formed metal foil elements | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6799439B1 | Method for equalizing temperature differences in molten glass, and equipment therefor | Emerging Cross-Sectional Technologies | 4 | Expired |
| USD452560S | Heating element | General | 4 | Expired |
| US6072821A | Method for heat treating materials at high temperatures, and a furnace bottom construction for high temperature furnaces | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5986244A | Metallic high temperature resistant material and a method of producing it | Electricity | 3 | Expired |
| US4854960A | Forehearth | Chemistry; Metallurgy | 3 | Expired |
| US4720697A | Terminal for electrical resistance heating element and a method for the manufacture of such terminals | Electricity | 3 | Expired |
| US6695143B2 | Pilfer-proof package | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6683281B2 | Means and method for heating | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5970306A | Method of manufacturing high temperature resistant shaped parts | Chemistry; Metallurgy | 0 | Expired |
| US6277795A | Metal wire or a metal strip having a lubricating surface layer, and a method for its preparation | Chemistry; Metallurgy | 0 | Expired |
| US12312666B2 | Ferritic iron-chromium-aluminum powder and a seamless tube made thereof | Performing Operations; Transporting | 0 | Active |
| US11932579B2 | Process for manufacturing a chromium alloyed molybdenum silicide portion of a heating element | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.