Patent assignee · CH · COMPANY

Ateliers Busch SA

25Patents
13Active
25Granted
38Portfolio score

Filing activity: Aug 24, 1998 → May 10, 2021 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
USD583389S1 Exhaust filter for a vacuum pump General 40 Expired
USD573609S1 Vacuum pump General 39 Expired
US6290477A Scroll vacuum pump Mechanical Engineering; Lighting; Heating 33 Expired
USD677281S1 Vacuum pump General 18 Active
US6158996A Screw rotor set Mechanical Engineering; Lighting; Heating 16 Expired
US6447276B1 Twin screw rotors for installation in displacement machines for compressible media Mechanical Engineering; Lighting; Heating 10 Expired
US6702558B2 Twin screw rotors and displacement machines containing the same Mechanical Engineering; Lighting; Heating 4 Expired
US11319958B2 Filtering element and associated mounting device for vacuum pump Mechanical Engineering; Lighting; Heating 3 Active
US6354823B1 Displacement machine having a ceramic rolling bearing Mechanical Engineering; Lighting; Heating 3 Expired
US6371742B1 Cooling device Mechanical Engineering; Lighting; Heating 3 Expired
US6139297A Double worm system Mechanical Engineering; Lighting; Heating 2 Expired
US6129535A Twin feed screw Mechanical Engineering; Lighting; Heating 2 Expired
US10760573B2 Method of pumping in a system of vacuum pumps and system of vacuum pumps Mechanical Engineering; Lighting; Heating 1 Active
US10808730B2 Pumping system for generating a vacuum and method for pumping by means of this pumping system Mechanical Engineering; Lighting; Heating 1 Active
US6773243B2 Rotary piston machine for compressible media Mechanical Engineering; Lighting; Heating 1 Expired
US7981185B2 Filter installation device Mechanical Engineering; Lighting; Heating 1 Active
US7625191B2 Rotary displacement machines having rotors of asymmetrical profile Mechanical Engineering; Lighting; Heating 1 Expired
US12066023B2 Dry vacuum pump Mechanical Engineering; Lighting; Heating 0 Active
US12116895B2 Multistage pump body and multistage gas pump Mechanical Engineering; Lighting; Heating 0 Active
US11204036B2 Pumping unit and method for controlling such a pumping unit Mechanical Engineering; Lighting; Heating 0 Active
US12180953B2 Redundant pumping system and pumping method by means of this pumping system Mechanical Engineering; Lighting; Heating 0 Active
US11725662B2 Method of pumping in a system of vacuum pumps and system of vacuum pumps Mechanical Engineering; Lighting; Heating 0 Active
US9638181B2 Vacuum pump for applications in vacuum packaging machines Mechanical Engineering; Lighting; Heating 0 Active
US10260502B2 Pumping method in a system of vacuum pumps and system of vacuum pumps Mechanical Engineering; Lighting; Heating 0 Active
US11920592B2 Dry pump for gas and set of a plurality of dry pumps for gas Mechanical Engineering; Lighting; Heating 0 Active

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