SH

Sandra L. Harper

PA Parker-Hannifin: 11 patents #22 of 1,656Top 2%
📍 Dana Point, CA: #59 of 393 inventorsTop 20%
🗺 California: #55,401 of 386,348 inventorsTop 15%
Overall (All Time): #469,511 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
7394244 Through-wall position sensor William R. Schley, Eric Chapman, Dan Nguyen, Lawrence P. Flesch, Curtis E. Stevens 2008-07-01
5693935 Method and device for continuous pattern sensing using fiber optics William L. Hassler, Jr., Eric Chapman, Michael Nolan, William R. Schley 1997-12-02
5660052 Apparatus and method for detecting characteristics of a working fluid Richard L. Kenyon, Roy M. Yabuki, Chester D. Campbell, Michael Nolan, Virender Jain +1 more 1997-08-26
5541405 Method and device for continuous pattern sensing using fiber optics William L. Hassler, Jr., Eric Chapman, Michael Nolan, William R. Schley 1996-07-30
5522231 Apparatus and method for mass flow control of a working fluid Richard L. Kenyon, Roy M. Yabuki, Chester D. Campbell, Michael Nolan, Virender Jain +1 more 1996-06-04
5477701 Apparatus and method for mass flow control of a working fluid Richard L. Kenyon, Roy M. Yabuki, Chester D. Campbell, Michael Nolan, Virender Jain +1 more 1995-12-26
5460349 Expansion valve control element for air conditioning system Chester D. Campbell, Virender Jain, Richard L. Kenyon, Alan Matthies, Roger G. Riefler +2 more 1995-10-24
5390897 Expansion valve for air conditioning system with proportional solenoid Chester D. Campbell, Virender Jain, Richard L. Kenyon, Alan Matthies, Roger G. Riefler +2 more 1995-02-21
5335513 Apparatus and method for detecting characteristics of a working fluid Chester D. Campbell, Virender Jain, Richard L. Kenyon, Alan Matthies, Roy M. Yabuki 1994-08-09
5295656 Expansion valve for air conditioning system with proportional solenoid Chester D. Campbell, Virender Jain, Richard L. Kenyon, Alan Matthies, Roger G. Riefler +2 more 1994-03-22
5289692 Apparatus and method for mass flow control of a working fluid Chester D. Campbell 1994-03-01