Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DW

David B. Wallace — 38 Patents

MTMicrofab Technologies: 16 patents #2 of 21Top 10%
CCCompaq Computer: 14 patents #43 of 1,604Top 3%
Abbott: 1 patents #5,506 of 5,509Top 100%
TMThe Mead: 1 patents #474 of 779Top 65%
Dallas, TX: #117 of 7,543 inventorsTop 2%
Texas: #2,724 of 125,132 inventorsTop 3%
Overall (All Time): #84,675 of 4,157,543Top 3%
38 Patents All Time
David B. Wallace has been granted 38 US patents while listed as an inventor at Microfab Technologies. The first was granted in 1984 and the most recent in November 2022. David B. Wallace ranks #84,675 of 4,157,543 US inventors in our database (top 2.0%). Patent records list David B. Wallace in Dallas, TX, US.

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11510764 Oral hygiene device 2022-11-29
10582989 Oral hygiene device 2020-03-10
7228199 Bulk inventory network system 2007-06-05
7092897 Bulk inventory network system 2006-08-15
6672129 Method for calibrating a sensor for measuring concentration of odors Christopher J. Frederickson, Donald J. Hayes, David W. Taylor, Matthew Hayes 2004-01-06
6620283 Method for fabricating laminated carrier for collecting interstitial fluid from the skin Donald J. Hayes, David W. Taylor 2003-09-16
6390453 Method and apparatus for delivery of fragrances and vapors to the nose Christopher J. Frederickson, Donald J. Hayes, David W. Taylor, Matthew Hayes 2002-05-21
6366829 Bulk inventory network system (BINS) 2002-04-02
6338715 Digital olfactometer and method for testing olfactory thresholds Donald J. Hayes, Ioan Achiriloaie, David W. Taylor, Norman Comparini 2002-01-15
6334980 Flexible apparatus with ablation formed chamber(s) for conducting bio-chemical analyses Donald J. Hayes, Christopher J. Frederickson 2002-01-01
6334851 Method for collecting interstitial fluid from the skin Donald J. Hayes, David W. Taylor 2002-01-01
6325475 Devices for presenting airborne materials to the nose Donald J. Hayes, Christopher J. Frederickson 2001-12-04
6170930 Method for producing gradient tonal representation and a printhead for producing the same 2001-01-09 $54,585,000
6029896 Method of drop size modulation with extended transition time waveform Roger G. Self 2000-02-29
5849208 Making apparatus for conducting biochemical analyses Donald J. Hayes, Christopher J. Frederickson 1998-12-15
5772106 Printhead for liquid metals and method of use Scott Ayers, Donald J. Hayes, Michael T. Boldman 1998-06-30
5736314 Inline thermo-cycler Donald J. Hayes, Christopher J. Frederickson 1998-04-07
5721123 Methods and apparatus for direct heating of biological material Donald J. Hayes, Christopher J. Frederickson 1998-02-24 $7,977,000
5658802 Method and apparatus for making miniaturized diagnostic arrays Donald J. Hayes, Christopher J. Frederickson 1997-08-19
5643353 Controlling depoling and aging of piezoelectric transducers Ronald E. Marusak 1997-07-01
5621442 Enhanced UU type ink jet printheads Donald J. Hayes, John R. Pies 1997-04-15 $59,677,000
5581286 Multi-channel array actuation system for an ink jet printhead Donald J. Hayes 1996-12-03 $76,528,000
5554247 Method of manufacturing a high density ink jet printhead array John R. Pies, Donald J. Hayes 1996-09-10 $78,708,000
5521618 Dual element switched digital drive system for an ink jet printhead James L. Stortz 1996-05-28 $44,505,000
5461403 Droplet volume modulation techniques for ink jet printheads James L. Stortz 1995-10-24 $69,364,000