RW

Ray A. Walker

HP HP: 16 patents #2,156 of 16,619Top 15%
PS Psc: 1 patents #35 of 61Top 60%
SP Spectra-Physics: 1 patents #113 of 257Top 45%
SS Spectra-Physics Scanning Systems: 1 patents #39 of 56Top 70%
Overall (All Time): #222,216 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10867002 Real estate search interface and method 2020-12-15
7110127 Method and apparatus for product regionalization Andrew Zaremba, Wayne Leaman Westly 2006-09-19
6929343 Fluid detection system Isaac Farr, Edward Cai, Shane Shivji 2005-08-16
6863377 Method and apparatus for identifying a sales channel Robert E. Haines, Michael L. Bullock 2005-03-08
6739691 Method and apparatus for preventing theft of replaceable printing components 2004-05-25
6685298 Method and apparatus for preventing theft of replaceable printing components 2004-02-03
6676240 Method and apparatus for transferring information between a replaceable consumable and a printing device 2004-01-13
6648434 Digitally compensated pressure ink level sense system and method Rhonda L. Wilson 2003-11-18
6513901 Method and apparatus for determining drop volume from a drop ejection device 2003-02-04
6494562 Method and apparatus for identifying a sales channel Robert E. Haines, Michael L. Bullock 2002-12-17
6431672 Ink container having dual capillary members with differing capillary pressures for precise ink level sensing Michael S. Ardito, Jeffrey Thielman 2002-08-13
6345891 Method and apparatus for specifying ink volume in a multichamber ink container Winthrop D. Childers, Michael L. Bullock, Brian L. Helterline 2002-02-12
6312074 Method and apparatus for detecting fluid level in a fluid container 2001-11-06
6312106 Method and apparatus for transferring information between a replaceable consumable and a printing device 2001-11-06
6302527 Method and apparatus for transferring information between a printer portion and a replaceable printing component 2001-10-16
6274880 Fluid level sensing system and method having controlled surface pairs 2001-08-14
6247775 Method and apparatus for detecting ink level 2001-06-19
5883370 Automated method for filling drug prescriptions Marguerite E. Blackman 1999-03-16
5327451 Laser diode assembly for laser scanner system Jeffrey A. Gohman, Michael A. Lind, Peter Howard, William E. Ortyn, Michael Greenberg 1994-07-05
4690556 Capillary bore straightness inspection 1987-09-01