RASCHIG GMBH
13Patents
2Active
13Granted
34Portfolio score
Filing activity: Oct 12, 1976 → Apr 15, 2016 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4107241A | Contacting arrangement for mass transfer operations | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5882772A | Packing element for use, in particular, in mass transfer and/or heat transfer columns or towers | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4643853A | Packing element for use in mass transfer or heat transfer columns | Performing Operations; Transporting | 11 | Expired |
| US4337217A | Contacting arrangement for mass transfer operations and set of plates for use in said arrangement | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4820388A | Polyalkylene glycol naphthyl-3-sulfopropyl diether compounds and their salts, process for preparing same and electroplating baths containing same | Chemistry; Metallurgy | 8 | Expired |
| US5024736A | Process for electroplating utilizing disubstituted ethane sulfonic compounds as electroplating auxiliaries and electroplating auxiliaries containing same | Chemistry; Metallurgy | 7 | Expired |
| US4275018A | Grid for carrying randomly dumped packing in a mass transfer column | Performing Operations; Transporting | 6 | Expired |
| US6173905A | Dispersion device for a dispenser for sprinkling liquid onto substance and/or heat exchange systems | Performing Operations; Transporting | 5 | Expired |
| US4256673A | Packing element for use in packed columns | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5885694A | Packing element for mass transfer heat transfer columns | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6900350B2 | Method for the production of ω-aminoalkylsulphonic acids | Chemistry; Metallurgy | 0 | Expired |
| US7723545B2 | Method for the production of free-flowing additives | Performing Operations; Transporting | 0 | Active |
| US9975106B2 | Packing element for mass-transfer and/or heat-exchange columns or towers | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.