Patent assignee · CH · COMPANY

MAAG PUMP SYSTEMS AG

12Patents
5Active
12Granted
49Portfolio score

Filing activity: Feb 27, 1992 → Apr 1, 2024 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5462420A Gear pump Mechanical Engineering; Lighting; Heating 11 Expired
US5494425A Process and arrangement including a gear pump for handling thermoplastic liquified material Emerging Cross-Sectional Technologies 11 Expired
US5924854A Gear pump channel arrangement for tempering media Mechanical Engineering; Lighting; Heating 10 Expired
US5253988A Gear pump Mechanical Engineering; Lighting; Heating 8 Expired
US5468131A Method for cooling the shaft of a gear pump rotor, a gear pump rotor, and a gear pump comprising such a rotor Mechanical Engineering; Lighting; Heating 5 Expired
US5549462A Gear pump and its uses Mechanical Engineering; Lighting; Heating 5 Expired
US5547356A Gear pump and method of using same Mechanical Engineering; Lighting; Heating 4 Expired
US8500414B2 Method of controlling a gear pump as well as an application of the method Mechanical Engineering; Lighting; Heating 3 Active
US12180959B2 Gear pump with intermeshing gear wheels enclosed by housing with bearing journals arranged on shaft axes and use thereof Mechanical Engineering; Lighting; Heating 0 Active
US9528515B2 Gear pump with improved pump inlet Mechanical Engineering; Lighting; Heating 0 Active
US8038422B2 Gear pump with a valve arranged between a suction side and a pressure side of the gear pump Mechanical Engineering; Lighting; Heating 0 Active
US12385483B2 Gear pump with intermeshing gearwheels enclosed by housing with bearing journals arranged on shaft axes Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.