Vacuum pumps and compressors; liquid ring vacuum pumps and compressors, large capacity liquid ring vacuum pumps and compressors, large capacity single stage liquid ring vacuum pumps and compressors, large capacity two stage liquid ring vacuum pumps and compressors; rotary vane vacuum pumps and compressors, lubricated rotary vane vacuum pumps and compressors, oil free rotary vane vacuum pumps and compressors, high vacuum rotary vane vacuum pumps and compressors; single-stage rotary piston vacuum pumps, two-stage rotary piston vacuum pumps; claw vacuum pumps and compressors; vacuum boosters being two or more vacuum pumps used in series; vacuum pump systems comprising liquid ring vacuum pumps and compressors, large capacity liquid ring vacuum pumps, large capacity single stage liquid ring vacuum pumps, large capacity two stage liquid ring vacuum pumps, vacuum boosters being two or more vacuum pumps used in series; vacuum pump systems comprising rotary vane vacuum pumps and compressors, lubricated rotary vane vacuum pumps and compressors, oil free rotary vane vacuum pumps and compressors, high vacuum rotary vane vacuum pumps and compressors, vacuum boosters being two or more vacuum pumps used in series; vacuum pump systems comprising single-stage rotary piston vacuum pumps, two-stage rotary piston vacuum pumps, vacuum boosters being two or more vacuum pumps used in series; oil sealed liquid ring vacuum systems, compact oil sealed liquid ring vacuum systems, medical oil sealed liquid ring vacuum systems, solvent sealed liquid ring vacuum systems, comprising liquid ring vacuum pumps and compressors, large capacity liquid ring vacuum pumps, large capacity single stage liquid ring vacuum pumps, large capacity two stage liquid ring vacuum pumps, vacuum boosters being two or more vacuum pumps used in series; water sealed vacuum systems, no recovery water sealed vacuum systems, partial recovery water sealed vacuum systems, full recovery water sealed vacuum systems, comprising liquid ring vacuum pumps and compressors, large capacity liquid ring vacuum pumps, large capacity single stage liquid ring vacuum pumps, large capacity two stage liquid ring vacuum pumps, rotary vane vacuum pumps and compressors, lubricated rotary vane vacuum pumps and compressors, oil free rotary vane vacuum pumps and compressors, high vacuum rotary vane vacuum pumps and compressors, single-stage rotary piston vacuum pumps, two-stage rotary piston vacuum pumps, claw vacuum pumps, vacuum boosters being two or more vacuum pumps used in series; claw vacuum systems comprising claw vacuum pumps, vacuum boosters being two or more vacuum pumps used in series; structural parts and fittings for all the aforesaid goods; replacement parts for all the aforesaid goods; all the aforesaid goods for laboratory and general industrial use

Electric and electronic controllers for vacuum pumps, compressors and vacuum systems; electric and electronic controllers for monitoring status, operation, function, environment, failures and errors of vacuum pumps, compressors and vacuum systems; flat panel displays featuring recorded or downloadable, programmable, interactive interface software between a user and a vacuum pump, compressor, and/or vacuum systems for monitoring status, operation, function, environment, failures and errors of vacuum pumps, compressors and vacuum systems; flat panel displays featuring recorded or downloadable, programmable, interactive interface software between a user and a vacuum pump, compressor, and/or vacuum system for recording and display of data relating to status, operation, function, environment, failures and/or errors of vacuum pumps, compressors and vacuum systems