Patent Assignment
Reel/Frame 027910/0089
Merger
Recorded: 2012-03-22
Pages: 4
Assignor
HACH ULTRA ANALYTICS, INC.
Executed: 2009-08-17
Assignee
HACH COMPANY
5600 LINDBERGH DRIVE, LOVELAND, COLORADO, 80538
Covered Properties
(5)
Flow Apertured Intracavity Laser Particle Detector
Patent:
6,111,642 →
Application:
09/160,557 →
High Sensitivity Optical Fluid-Borne Particle Detection
Patent:
6,137,572 →
Application:
09/183,582 →
Method and Apparatus for Suppressing Stray Light in Particle Detectors
Patent:
6,414,754 →
Application:
09/521,233 →
Condensation Nucleus Counter with Multi-Directional Fluid Flow System
Patent:
6,498,641 →
Application:
09/872,741 →
Particle Detection System Implemented with a Mirrored Optical System
Patent:
6,784,990 →
Application:
10/407,650 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 24, 1998
From: DEFREEZ, RICHARD K.; GIRVIN, KENNETH L.; SCHILDMEYER, FREDERIC C.
To: MET ONE, INC.
Reel/Frame 009485/0407 →
Change of Name
Jun 21, 1999
From: MET ONE, INC.
To: PACIFIC SCIENTIFIC INSTRUMENTS COMPANY
Reel/Frame 010033/0811 →
Assignment of Assignor's Interest
May 30, 2000
From: DEFREEZ, RICHARD K.; GIRVIN, KENNETH L.; LI, MINGGUANG
To: PACIFIC SCIENTIFIC INSTRUMENTS COMPANY
Reel/Frame 010886/0412 →
Assignment of Assignor's Interest
May 30, 2000
From: JOHNSON, JOEL C.
To: PACIFIC SCIENTIFIC INSTRUMENTS COMPANY
Reel/Frame 010844/0493 →
Assignment of Assignor's Interest
Jun 1, 2001
From: SCHILDMEYER, FREDERIC
To: PACIFIC SCIENTIFIC INSTRUMENTS COMPANY
Reel/Frame 011878/0051 →
Assignment of Assignor's Interest
Apr 4, 2003
From: DEFREEZ, RICHARD K.; BRADY, JAMES; GIRVIN, KENNETH L.
To: PACIFIC SCIENTIFIC INSTRUMENTS COMPANY
Reel/Frame 013939/0336 →
Change of Name
Mar 21, 2012
From: PACIFIC SCIENTIFIC INSTRUMENTS COMPANY
To: HACH ULTRA ANALYTICS, INC.
Reel/Frame 027899/0440 →