Patent assignee · CH · COMPANY

BURCKHARDT COMPRESSION AG

33Patents
33Active
33Granted
56Portfolio score

Filing activity: Oct 24, 2005 → Dec 21, 2021 · 3 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US9309878B2 Poppet valve for a compressor Emerging Cross-Sectional Technologies 17 Active
US7815193B2 Dry-running piston rod sealing arrangement, and method for sealing a piston rod using one such arrangement Mechanical Engineering; Lighting; Heating 12 Active
US9133933B1 Piston ring Mechanical Engineering; Lighting; Heating 9 Active
US9183975B2 Linear bearing, and solenoid comprising such a linear bearing Electricity 7 Active
US8740183B2 Actively controlled valve and method for operating an actively controlled valve Emerging Cross-Sectional Technologies 3 Active
US8821132B2 Device and method for preparing liquefied natural gas (LNG) fuel Emerging Cross-Sectional Technologies 3 Active
US9234479B2 Oil scraper ring Mechanical Engineering; Lighting; Heating 3 Active
US10359116B2 Dry-running piston rod packing and method for operating a dry-running piston rod packing Mechanical Engineering; Lighting; Heating 3 Active
US8985588B2 Seal arrangement Mechanical Engineering; Lighting; Heating 2 Active
US11193587B2 Piston ring for a piston compressor, and piston compressor Mechanical Engineering; Lighting; Heating 2 Active
US10859078B2 Poppet valve Emerging Cross-Sectional Technologies 2 Active
US10683860B2 Piston compressor valve and method for operating a piston compressor valve Emerging Cross-Sectional Technologies 1 Active
US9810175B2 Oil scraper ring Mechanical Engineering; Lighting; Heating 1 Active
US11396869B2 Seat valve Emerging Cross-Sectional Technologies 1 Active
US11486505B2 Plate valve and method for operating same Emerging Cross-Sectional Technologies 1 Active
US11698062B2 Oil wiper packing Mechanical Engineering; Lighting; Heating 1 Active
US10077842B2 Sealing ring Mechanical Engineering; Lighting; Heating 1 Active
US9273675B2 Device and method for preparing liquified natural gas (LNG) fuel Emerging Cross-Sectional Technologies 1 Active
US10436203B2 Poppet valve Mechanical Engineering; Lighting; Heating 1 Active
US11852243B2 Method and device for monitoring the condition of a piston rod sealing system of a piston compressor Mechanical Engineering; Lighting; Heating 1 Active
US12222037B2 Piston ring arrangement, piston compressor and method for sealing a compression chamber Mechanical Engineering; Lighting; Heating 0 Active
US12188462B2 Packing seal for a piston compressor and method for operating same Mechanical Engineering; Lighting; Heating 0 Active
US12398249B2 Sealing element and/or support ring made of compressed carbon-fiber-reinforced composite material Chemistry; Metallurgy 0 Active
US12209670B2 Piston ring for a piston compressor Mechanical Engineering; Lighting; Heating 0 Active
US12196316B2 Throttle ring Mechanical Engineering; Lighting; Heating 0 Active

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