VESUVIUS CRUCIBLE COMPANY
123Patents
28Active
123Granted
46Portfolio score
Filing activity: Mar 8, 1982 → Nov 17, 2015 · 13 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5071258A | Thermocouple assembly | Physics | 485 | Expired |
| US6139180A | Method and system for testing the accuracy of a thermocouple probe used to measure the temperature of molten steel | Physics | 57 | Expired |
| US4877705A | Plasma spray coated ceramic bodies and method of making same | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6539805B2 | Liquid metal flow condition detection | Physics | 29 | Expired |
| US5785851A | High capacity filter | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4568007A | Refractory shroud for continuous casting | Performing Operations; Transporting | 21 | Expired |
| US5094692A | Gas impermeable coating for a refractory article | Chemistry; Metallurgy | 21 | Expired |
| US5370370A | Liner for submerged entry nozzle | Chemistry; Metallurgy | 20 | Expired |
| US5944261A | Casting nozzle with multi-stage flow division | Performing Operations; Transporting | 19 | Expired |
| US6425505B1 | Pour tube with improved flow characteristics | Performing Operations; Transporting | 18 | Expired |
| US5185300A | Erosion, thermal shock and oxidation resistant refractory compositions | Chemistry; Metallurgy | 18 | Expired |
| US6027051A | Casting nozzle with diamond-back internal geometry and multi-part casting nozzle with varying effective discharge angles | Performing Operations; Transporting | 17 | Expired |
| US5250479A | Magnesia-carbon refractory compositions for slide gate plates and method of manufacture | Chemistry; Metallurgy | 17 | Expired |
| US6380114B1 | Insulating refractory material | Chemistry; Metallurgy | 16 | Expired |
| US5433901A | Method of manufacturing an ITO sintered body | Chemistry; Metallurgy | 16 | Expired |
| US5069553A | Protective sheath for a continuous measurement thermocouple | Physics | 16 | Expired |
| US4977001A | Protective cladding for a molybdenum substrate | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4791978A | Gas permeable stopper rod | Performing Operations; Transporting | 13 | Expired |
| US4870037A | Prevention of Al.sub.2 O.sub.3 formation in pouring nozzles and the like | Chemistry; Metallurgy | 13 | Expired |
| US6227421A | Tundish equipped with a tube changer and plate for the tube changer | Performing Operations; Transporting | 12 | Expired |
| US4487251A | Continuous casting apparatus and a method of using the same | Performing Operations; Transporting | 12 | Expired |
| US5691061A | Refractory shape having an external layer capable of forming a layer impermeable to gases and process for its preparation | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5316129A | Ceramic conveyor roll having flat-sided spring retainer for non-rotatably mounting end caps to roller | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5302027A | Refractory sight tube for optical temperature measuring device | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5403794A | Alumina-zirconia refractory material and articles made therefrom | Chemistry; Metallurgy | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.