Owner Graco Minnesota Inc.

Inventors Bauck, Mark L.; Weinberger, Mark T.; Behrens, David M.; Nguyen, Vu K.; Lange, Christopher M.; Palashewski, Wade D.

Agent Callinan

Pub. Number AU-A-2010202832

Priority 12/498,074 06.07.09 US

Filing date 6 July 2010

F04B 49/00 (2006.01) Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups

F04B 9/08 (2006.01) Piston machines or pumps characterised by the driving or driven means to or from their working members

F04B 35/02 (2006.01) Piston pumpsspecially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for

G01B 9/02 (2006.01) Instruments as specified in the subgroups and characterised by the use of optical measuring means - Interferometers

G01B 11/02 (2006.01) Measuring arrangements characterised by the use of optical means - for measuring length, width, or thickness

G01J 3/45 (2006.01) Spectrometry - Interferometric spectrometry