BUSS AG
41Patents
18Active
41Granted
47Portfolio score
Filing activity: Oct 3, 1972 → Apr 14, 2023 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5159092A | Process for the safe and environmentally sound production of highly pure alkylene oxide adducts | Performing Operations; Transporting | 12 | Expired |
| US5419810A | Thin-film evaporator made of a corrosion resistant material | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5302019A | Apparatus for mixing and/or kneading materials | Performing Operations; Transporting | 9 | Expired |
| US5888288A | Forming solutions of cellulose in aqueous teritary amine oxide | Textiles; Paper | 9 | Expired |
| US4078295A | Method and apparatus for making tanks from plates | Emerging Cross-Sectional Technologies | 9 | Expired |
| US3934787A | Method of mounting pipe flanges in the wall of a pressure vessel | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7909500B2 | Mixing and kneading machine and method of implementing continual compounding | Emerging Cross-Sectional Technologies | 8 | Active |
| US9168676B2 | Mixing and kneading machine | Performing Operations; Transporting | 7 | Active |
| US4460551A | Process and device for manufacturing synthetic anhydrous calcium sulphate and pure hydrofluoric acid | Chemistry; Metallurgy | 7 | Expired |
| USD929799S1 | Screw shaft element | General | 6 | Active |
| US4698378A | Procedure for the continuous production of free flowing and homogenous mixtures of plastic materials with admixtures | Performing Operations; Transporting | 6 | Expired |
| US4004788A | Mixing and kneading machine | Performing Operations; Transporting | 6 | Expired |
| US4485060A | Process for preparing dust-free particles | Performing Operations; Transporting | 5 | Expired |
| US4063394A | Spherical storage tank for gases and liquids, supporting base therefor | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4652226A | Apparatus for the continuous production of electrode material | Chemistry; Metallurgy | 4 | Expired |
| USD957180S1 | Screw shaft element | General | 4 | Active |
| USD966032S1 | Screw shaft element | General | 4 | Active |
| US4685875A | Pressure relief device for extrusion apparatus | Performing Operations; Transporting | 4 | Expired |
| US5573635A | Thin film evaporating device | Performing Operations; Transporting | 4 | Expired |
| USD938500S1 | Mixing and kneading machine | General | 3 | Active |
| US9022638B2 | Mixing and kneading machine for continual compounding and method of implementing continual compounding by means of a mixing and kneading machine | Performing Operations; Transporting | 2 | Active |
| US11504680B2 | Double-bladed worm shaft for a mixing and kneading machine, wherein each of the blade elements has an elliptic, oval, or bioconvex outer peripheral surface in the top view | Performing Operations; Transporting | 2 | Active |
| US7730817B2 | Apparatus for cutting ductile materials and a method of operating the apparatus | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4925558A | Process for the further processing of the vacuum distillation residue in a crude oil refinery | Performing Operations; Transporting | 2 | Expired |
| USD961990S1 | Screw shaft element | General | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.