Sefar AG
22Patents
16Active
22Granted
50Portfolio score
Filing activity: Oct 25, 1994 → Apr 18, 2022 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6844187B1 | Bioreactor | Chemistry; Metallurgy | 56 | Expired |
| US10568983B2 | Wound dressing material and method for its production | Human Necessities | 19 | Active |
| US5581918A | Apparatus for stretching out a cloth portion | Performing Operations; Transporting | 11 | Expired |
| US8291554B2 | Fastening element for two-dimensional fibre material and method for fastening two-dimensional fibre material | Emerging Cross-Sectional Technologies | 6 | Active |
| US7595452B2 | Circuit board and method for its production | Electricity | 5 | Active |
| US6284679A | Method to produce a fabric strip, especially for a screen printing form, and fabric, especially screen printing fabric | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8197685B2 | Filter element, securing ring and method for filtering | Emerging Cross-Sectional Technologies | 4 | Active |
| US6258445A | Screen printing form and flexible screen printing form accommodating device | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9313884B2 | Electrode substrate and planar optoelectronic device | Emerging Cross-Sectional Technologies | 1 | Active |
| US6202553A | Process for producing a screen printing form and screen printing fabric of a coated screen web | Physics | 1 | Expired |
| US7779995B2 | Connector arrangement, connector element and method of producing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US8056587B2 | Fabric, in particular for textile structures and/or coverings | Emerging Cross-Sectional Technologies | 1 | Active |
| US11118286B2 | Surface piece | Emerging Cross-Sectional Technologies | 0 | Active |
| US9993759B2 | Filter means and filter element for treating a flushing liquid for material-removing machining and method for material-removing machining | Performing Operations; Transporting | 0 | Active |
| US9278299B2 | Filter element including a filter press plate | Performing Operations; Transporting | 0 | Active |
| US9861918B2 | Filter medium | Textiles; Paper | 0 | Active |
| US12186776B2 | Method for producing a carrier layer with a hydrophilic polymeric nanocoating | Performing Operations; Transporting | 0 | Active |
| US10358749B2 | Surface piece | Emerging Cross-Sectional Technologies | 0 | Active |
| US10315145B2 | Filter for filtering a liquid or a gas | Performing Operations; Transporting | 0 | Active |
| US10328374B2 | Method for producing a contoured filter element and filter element arrangement | Performing Operations; Transporting | 0 | Active |
| US10571970B2 | Composite membrane and method for producing a composite membrane | Electricity | 0 | Active |
| US7090770B2 | Filter cloth and method for producing the same | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.