Benteler-Werke AG
23Patents
0Active
23Granted
33Portfolio score
Filing activity: Jul 27, 1973 → Apr 30, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4730420A | Drilling device for drilling plates susceptible to breaking | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4319471A | Apparatus for producing a corrugated tube | Performing Operations; Transporting | 33 | Expired |
| US4594814A | Machine for and method of chamfering of edges of plate-shaped workpieces, particularly glass disks | Performing Operations; Transporting | 20 | Expired |
| US4210467A | Method of making a reinforcement for vehicle doors | Chemistry; Metallurgy | 12 | Expired |
| US4275258A | Water-cooled box designed as wall element for a melting furnace | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4325268A | Safety steering column assembly for automobiles | Performing Operations; Transporting | 11 | Expired |
| US4563802A | Method and apparatus for the production of exhaust pipes for automotive vehicles | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4351055A | Water cooled wall element formed of tubes for melting furnaces | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4237713A | Apparatus for producing a tube with successive corrugations | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4480976A | Adjustable sliding mold for continuous casting installations | Performing Operations; Transporting | 7 | Expired |
| US4331016A | Tube bending apparatus with elongated inner mandrel | Performing Operations; Transporting | 6 | Expired |
| US4267718A | Apparatus for producing a tube with successive corrugations of different radial extensions and spacings | Performing Operations; Transporting | 6 | Expired |
| US4331015A | Tube bending machine with axially movable inner core | Performing Operations; Transporting | 6 | Expired |
| US4135380A | Method of and an apparatus for manufacturing elongated curved tubular elements | Performing Operations; Transporting | 5 | Expired |
| US4139932A | Method for winding and forming of cooling coils | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4009066A | Method of manufacturing tubular elements | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4557315A | Adjustable continuous casting mold arrangement | Performing Operations; Transporting | 2 | Expired |
| US4301959A | Method series production of an outer column of a safety steering column for automotive vehicles | Performing Operations; Transporting | 2 | Expired |
| US4483647A | Centered pipe machining arrangement | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4640115A | Straightening device | Performing Operations; Transporting | 1 | Expired |
| US4817696A | Pneumatic tire bead core ring for anchoring a carcass | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4563766A | Electric arc furnace for melting metal, especially steel | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US4664726A | Steel alloy for storage tubes | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.