Carl Freudenberg KG
511Patents
394Active
511Granted
59Portfolio score
Filing activity: May 10, 1978 → Nov 10, 2023 · 109 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7008685B2 | Laminated material and method for its production | Emerging Cross-Sectional Technologies | 70 | Expired |
| US4304234A | Non-woven fabrics of polyolefin filament and processes of production thereof | Emerging Cross-Sectional Technologies | 59 | Expired |
| USD714002S1 | Robotic vacuum | General | 58 | Active |
| USD714003S1 | Robotic vacuum | General | 58 | Active |
| US8495781B2 | Cleaning device | Human Necessities | 41 | Active |
| US6815382B1 | Bonded-fiber fabric for producing clean-room protective clothing | Emerging Cross-Sectional Technologies | 38 | Expired |
| US8011055B2 | Cleaning implement | Human Necessities | 36 | Active |
| US5884735A | Speed-adaptive vibration dampener | Emerging Cross-Sectional Technologies | 33 | Expired |
| US8770432B2 | Wash bucket | Human Necessities | 32 | Active |
| US8894315B2 | Cleaning device | Human Necessities | 30 | Active |
| USD871694S1 | Robot cleaner | General | 28 | Active |
| USD732781S1 | Sponge | General | 28 | Active |
| USD518262S1 | Bucket | General | 27 | Expired |
| USD589734S1 | Housing for a toilet brush | General | 27 | Expired |
| USD753354S1 | Window cleaner | General | 27 | Active |
| US6894620B2 | Method and device for monitoring the service life of a filter | Performing Operations; Transporting | 25 | Expired |
| US4997611A | Process for the production of nonwoven webs including a drawing step and a separate blowing step | Textiles; Paper | 25 | Expired |
| US10736985B2 | Medical device and method for the production thereof | Textiles; Paper | 24 | Active |
| USD782141S1 | Mop | General | 23 | Active |
| USD770714S1 | Mop | General | 22 | Active |
| USD764129S1 | Floor cleaner | General | 21 | Active |
| US7763339B2 | Nonwoven fabrics with high fluid absorption capacity and a regular structure, process for their production, and their use | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6311368A | Handle for household utensils | Performing Operations; Transporting | 21 | Expired |
| USD625924S1 | Toilet brush head | General | 21 | Expired |
| USD721462S1 | Mop | General | 21 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.