Buehler AG
97Patents
16Active
97Granted
42Portfolio score
Filing activity: Mar 22, 1976 → Aug 17, 2017 · 8 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7380973B2 | Method and device for the reprocessing of a thermoplastic polycondensate | Performing Operations; Transporting | 60 | Expired |
| US4693035A | Multiple optical fiber polishing apparatus | Performing Operations; Transporting | 58 | Expired |
| US5800254A | Automatic apparatus for grinding and polishing samples | Performing Operations; Transporting | 36 | Expired |
| US5228886A | Mechanochemical polishing abrasive | Chemistry; Metallurgy | 36 | Expired |
| US5527107A | Plant for continuous mixing and homgenization | Performing Operations; Transporting | 32 | Expired |
| US5186539A | Mixing kneader device and method for this production of dough, particularly for pasta | Performing Operations; Transporting | 31 | Expired |
| US5538139A | Arrangement for a plansifter | Performing Operations; Transporting | 28 | Expired |
| US5466894A | Method for supplying pre-defined filling quantities of bulk material by exact weight as well as filling apparatus | Performing Operations; Transporting | 27 | Expired |
| US5337541A | Method for the automatic supply of bags and bag hanging apparatus | Performing Operations; Transporting | 27 | Expired |
| US6838496B1 | Method and device for processing a thermoplastic condensation polymer | Performing Operations; Transporting | 23 | Expired |
| US4459785A | Chuck for vertically hung specimen holder | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4513894A | Abrasive slurry supply system for use in metallographic sample preparation | Performing Operations; Transporting | 22 | Expired |
| US6224474A | Magnetic disc system for grinding or polishing specimens | Performing Operations; Transporting | 21 | Expired |
| US4942795A | Precision cutter with automated pressure control | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5100062A | Method for the production of milled grain products and grain milling system | Chemistry; Metallurgy | 20 | Expired |
| US5201470A | Method for the production of milled grain products and roller mill | Performing Operations; Transporting | 19 | Expired |
| US5538747A | Method and apparatus for the continuous damping of grain | Performing Operations; Transporting | 19 | Expired |
| US4873792A | Polishing apparatus | Performing Operations; Transporting | 18 | Expired |
| US6893321B1 | Modular fluid-dispensing system | Performing Operations; Transporting | 17 | Expired |
| US5301816A | Method and apparatus for the separation of a material mixture and use of the apparatus | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4587768A | Apparatus and method for polishing ends of fiber optics | Performing Operations; Transporting | 16 | Expired |
| US4671629A | Microscope for examining the surface finish of fiber optic ends | Physics | 15 | Expired |
| US4414783A | Coolant system for rotating blade cutter | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5816899A | Micro precise polishing apparatus | Performing Operations; Transporting | 15 | Expired |
| US5126159A | Process for the production of dough, particularly for paste products | Performing Operations; Transporting | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.