MANN+HUMMEL GmbH
🏢 View company profile →1,006Patents
940Active
1,006Granted
64Portfolio score
Filing activity: Nov 29, 2001 → Mar 14, 2024 · 231 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7004986B2 | Filter in a filter housing | Performing Operations; Transporting | 146 | Expired |
| US6953124B2 | Filter element with end face inlets and discharge outlets | Performing Operations; Transporting | 141 | Expired |
| US8152876B2 | Filter element having V-seal | Performing Operations; Transporting | 81 | Active |
| US8147576B2 | Filter element having serrated seal | Performing Operations; Transporting | 64 | Active |
| US7658777B2 | Filter element and filter system for the intake air of an internal combustion engine | Performing Operations; Transporting | 58 | Active |
| US8142533B2 | Filter element and filter system | Performing Operations; Transporting | 54 | Active |
| USD880286S1 | Air filter package | General | 48 | Active |
| US9446339B2 | Air filter element with retaining geometry | Performing Operations; Transporting | 45 | Active |
| US9463404B2 | Air filter element with retaining geometry | Performing Operations; Transporting | 45 | Active |
| US7744758B2 | Liquid filter | Performing Operations; Transporting | 44 | Expired |
| US7117973B2 | Noise suppressor apparatus for a gas duct | Emerging Cross-Sectional Technologies | 42 | Expired |
| US7445653B2 | Centrifugal oil separator | Mechanical Engineering; Lighting; Heating | 42 | Active |
| US7159723B2 | Cyclone separator | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US8287612B2 | Filter element and filter system | Performing Operations; Transporting | 41 | Active |
| US7033410B2 | Centrifugal separator | Emerging Cross-Sectional Technologies | 41 | Expired |
| US7115156B2 | Air filter system | Performing Operations; Transporting | 40 | Expired |
| US7390407B2 | Liquid filter | Performing Operations; Transporting | 39 | Expired |
| US7481863B2 | Air filter | Performing Operations; Transporting | 38 | Active |
| US9579596B2 | Air filter element having a specific retaining geometry | Performing Operations; Transporting | 36 | Active |
| US7938963B2 | Fuel filter system | Emerging Cross-Sectional Technologies | 34 | Active |
| US8968945B2 | Humidifier for a fuel cell | Emerging Cross-Sectional Technologies | 33 | Active |
| US7407533B2 | Active filter element for end face incident flow | Performing Operations; Transporting | 33 | Active |
| USD876249S1 | Air quality monitor | General | 33 | Active |
| US7578863B2 | Multi-stage apparatus for separating liquid droplets from gases | Mechanical Engineering; Lighting; Heating | 32 | Active |
| US7481926B2 | Filter device | Performing Operations; Transporting | 31 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.