BLÜCHER GMBH
🏢 View company profile →38Patents
31Active
38Granted
52Portfolio score
Filing activity: Apr 24, 2001 → Sep 3, 2018 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7160369B2 | Adsorption filter material with high adsorption capacity and low breakthrough behavior | Emerging Cross-Sectional Technologies | 21 | Expired |
| US10426670B2 | Wound dressing with an air permeable layer | Human Necessities | 20 | Active |
| US7132007B1 | Air filter unit with several filter elements | Performing Operations; Transporting | 20 | Expired |
| USD467041S1 | Enclosure for cats | General | 18 | Expired |
| US9463435B2 | Process for producing carbon substrates loaded with metal oxides and carbon substrates produced in this way | Emerging Cross-Sectional Technologies | 17 | Active |
| US7451497B2 | Protective handwear | Emerging Cross-Sectional Technologies | 15 | Active |
| US8176659B2 | Protective footwear | Performing Operations; Transporting | 12 | Active |
| US7288504B2 | Method for producing spherical activation carbon | Emerging Cross-Sectional Technologies | 8 | Expired |
| US9440219B2 | Filter materials for treating and purifying gas | Performing Operations; Transporting | 7 | Active |
| US6718555B2 | Pilot's glove | Human Necessities | 7 | Expired |
| US7047568B2 | Two-part protective suit with connecting section | Human Necessities | 5 | Expired |
| US8631516B2 | Hood for protective garment | Human Necessities | 4 | Active |
| US9566575B2 | Activated carbon with a special finishing, production and use thereof | Emerging Cross-Sectional Technologies | 4 | Active |
| US7172414B2 | Rotary tubular kiln for the production of activated carbon | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7582578B2 | Textile composite material comprising activated carbon fibres and production thereof | Emerging Cross-Sectional Technologies | 2 | Active |
| US9474827B2 | Wound dressing with an antimicrobial effect | Human Necessities | 2 | Active |
| US9782512B2 | Multi-layered wound dressing containing an hydrocolloid and activated carbon | Human Necessities | 2 | Active |
| US9242202B2 | Adsorptive filter medium | Performing Operations; Transporting | 2 | Active |
| US9746242B2 | Burner pipe and rotary kiln for producing activated carbon | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10125403B2 | Method and plant for producing iron from roasted pyrites | Emerging Cross-Sectional Technologies | 2 | Active |
| US11607668B2 | Air-permeable sheet filter material, methods for the production and use thereof | Performing Operations; Transporting | 1 | Active |
| US10093555B2 | Counter current filter apparatus for treatment or purification of water | Chemistry; Metallurgy | 1 | Active |
| US11371807B2 | Protective material having a protection function against fragments, stabbing, cutting, firearms and/or shocks | Fixed Constructions | 1 | Active |
| US11141711B2 | Textile protective material of a new type and method for producing same | Textiles; Paper | 1 | Active |
| US9975109B2 | Catalyst system based on spherical activated carbon as a carrier and use thereof | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.