Inventor · Crépy-en-Valois, FR

Bernard Allart

21Patents
8h-index
23Co-inventors
75Inventor score

Filing activity: Sep 20, 1977 → Jan 28, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US4404896A Pressurized fluid engine equipped with means for selecting its speed of rotation Mechanical Engineering; Lighting; Heating 17 Expired
US5220854A Mechanism casing provided with particular venting devices Emerging Cross-Sectional Technologies 15 Expired
US4898076A Multiple cylinder-capacity pressurized fluid (motor or pump) mechanism Mechanical Engineering; Lighting; Heating 15 Expired
US4724742A Motor or pump mechanism having at least two distinct active cylinder capacities Mechanical Engineering; Lighting; Heating 13 Expired
US6318235A Hydraulic motor cylinder-capacity selector for avoiding jarring when switching from one cylinder capacity to another Mechanical Engineering; Lighting; Heating 12 Expired
US5220790A Assembly of a pressurized fluid motor with multiple cubic capacities and a brake associated therewith Mechanical Engineering; Lighting; Heating 12 Expired
US6099273A Hydraulic motor with function selector Mechanical Engineering; Lighting; Heating 10 Expired
US5186094A Pressurized fluid mechanism comprising at least two distinct operational cylinder capacities Mechanical Engineering; Lighting; Heating 10 Expired
US6199377A Compact hydraulic motor Mechanical Engineering; Lighting; Heating 8 Expired
US7185579B2 Hydraulic radial piston motor Mechanical Engineering; Lighting; Heating 7 Expired
US4157056A Multi-cylinder hydraulic mechanism Mechanical Engineering; Lighting; Heating 6 Expired
US6978713B2 Hydraulic radial piston motor Mechanical Engineering; Lighting; Heating 6 Expired
US6926372B2 Hydraulic motor device with displacement selector and a braking system Mechanical Engineering; Lighting; Heating 5 Expired
US6293100A Hydraulic engine with compact brake Mechanical Engineering; Lighting; Heating 5 Expired
US5001964A Pressurized fluid mechanism with two cubic capacities and closed circuit applying same Physics 5 Expired
US6038859A Hydraulic fluid circuit having a hydraulic motor and a three-position selector for selecting the circulation of fluid Mechanical Engineering; Lighting; Heating 5 Expired
US5261318A Pressure fluid mechanism provided with special balancing enclosures Mechanical Engineering; Lighting; Heating 4 Expired
US6186046A Hydraulic motor Mechanical Engineering; Lighting; Heating 4 Expired
US9284942B2 Subassembly forming a hydrobase for hydraulic motors, and assembly method Emerging Cross-Sectional Technologies 2 Active
USRE32446E Pressurized fluid engine equipped with means for selecting its speed of rotation General 1 Expired
US8079298B2 Compact hydraulic mechanism with radial pistons Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.