DW

Donald E. Wenzel

HP HP: 14 patents #5,870 of 16,619Top 40%
Overall (All Time): #326,819 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7270407 Methods for digitally printing on ceramics Alexey S. Kabalnov, Loren E. Johnson 2007-09-18
6902259 Direct imaging polymer fluid jet orifice Chien-Hua Chen, Qin Liu, Naoto Kawamura, Colby Vooren, Colin C. Davis +3 more 2005-06-07
6520627 Direct imaging polymer fluid jet orifice Chien-Hau Chen, Qin Liu, Naoto Kawamura, Richard W. Seaver, Carl Wu +3 more 2003-02-18
6447102 Direct imaging polymer fluid jet orifice Chien-Hau Chen, Qin Liu, Naoto Kawamura, Richard W. Seaver, Carl Wu +3 more 2002-09-10
6382784 Printing system with air accumulation control means enabling a semipermanent printhead without air purge Norman E. Pawlowski, Jr., Mark Hauck, John A. Barinaga 2002-05-07
6378981 Surfactant for inkjet service station wiper fluid Jules G. Moritz, III, Paul F. Reboa 2002-04-30
6203146 Printing system with air accumulation control means enabling a semipermanent printhead without air purge Norman E Pawlowksi, Jr., Mark Hauck, John A. Barinaga 2001-03-20
6162589 Direct imaging polymer fluid jet orifice Chien-Hau Chen, Qin Liu, Naoto Kawamura, Richard W. Seaver, Carl Wu +3 more 2000-12-19
6056396 Anti-outgassing ink composition and method for using the same 2000-05-02
5808637 Method and apparatus for ink drop trajectory control David E. Hackleman 1998-09-15
5700315 Anti-outgassing ink composition and method for using the same 1997-12-23
5473354 Ink-delivery apparatus Dan Arquilevich 1995-12-05
5426458 Poly-p-xylylene films as an orifice plate coating Michael G. Groh 1995-06-20
5341160 Valve for ink-jet pen Thomas H. Winslow, Paul H. McClelland 1994-08-23
4786327 Dye preparation for thermal ink-jet printheads using ion exchange Loren E. Johnson, Hiang P. Lauw 1988-11-22