Search patents:
Mass spectrometry from surfaces
Mass spectrometry from surfaces
Filed: October 6th, 1999 [Granted]
Patent Number: 6204500
Illllllllllllllllllllllllllllllllllllllllllllllllll US006204500B1 (12) United States Patent ao) Patent No.: us 6204500 bi Whitehouse et al.
Disposable microtip probe for low flow electrospray
Disposable microtip probe for low flow electrospray
Filed: August 4th, 2000 [Granted]
Patent Number: 6337480
(12) United States Patent ao) Patent No.: us 6337480 bi Andrien, Jr. et al. (45) Date of Patent: *Jan. 8, 2002 US006337480B1 (54) DISPOSABLE MICROTIP PROBE ...
Multiple sample introduction mass spectrometry
Multiple sample introduction mass spectrometry
Filed: September 11th, 1998 [Granted]
Patent Number: 6207954
Illlllllllllllllllllllllllllllllll (12) United States Patent Andrien, Jr. et al. US006207954B1 (io) Patent No.: US 6207954 Bl (45) Date of Patent: Mar.
Electrospray and atmospheric pressure chemical ionization sources
Electrospray and atmospheric pressure chemical ionization sources
Filed: December 10th, 1997 [Granted]
Patent Number: 6060705
United States Patent [w] Whitehouse et al. [54] ELECTROSPRAY AND ATMOSPHERIC PRESSURE CHEMICAL IONIZATION SOURCES [75] Inventors: Craig M. Whitehouse; ...
Apparatus and methods for reduction of coherent noise in a digital signal ...
Apparatus and methods for reduction of coherent noise in a digital signal ...
Filed: April 23rd, 2003 [Granted]
Patent Number: 7043406
... US007043406B1 (54) APPARATUS AND METHODS FOR REDUCTION OF COHERENT NOISE IN A DIGITAL SIGNAL AVERAGER (75) Inventors: David G. Welkie, Branford, ...
Configuration of an atmospheric pressure ion source
Configuration of an atmospheric pressure ion source
Filed: May 17th, 1997 [Granted]
Patent Number: 7601951
Illllllllllllllllllllllllllllllllllllllllllllllllll US007601951B1 United States Patent Whitehouse et al. (io) Patent No.: (45) Date of Patent: US 7601951 Bl ...
Mass spectrometry with segmented RF multiple ion guides in various pressure ...
Mass spectrometry with segmented RF multiple ion guides in various pressure ...
Filed: May 30th, 2003 [Granted]
Patent Number: 7034292
... US007034292B1 (54) MASS SPECTROMETRY WITH SEGMENTED RF MULTIPLE ION GUIDES IN VARIOUS PRESSURE REGIONS (75) Inventors: Craig M. Whitehouse, Branford, ...
Multiply charged ions and method for determining the molecular weight of ...
Multiply charged ions and method for determining the molecular weight of ...
Filed: July 29th, 1997 [Granted]
Patent Number: 6118120
United States Patent [w] Fenn et al. US006118120A [ii] Patent Number: 6118120 [ 45] Date of Patent: *Sep. 12, 2000 [54] MULTIPLY CHARGED ...