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

David Taft — 16 Patents

LALandec: 12 patents #3 of 32Top 10%
RLReliance Industries Limited: 1 patents #187 of 386Top 50%
RLRaychem Limited: 1 patents #811 of 1,006Top 85%
Uxbridge, MA: #17 of 121 inventorsTop 15%
Massachusetts: #7,594 of 88,656 inventorsTop 9%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
David Taft has been granted 16 US patents while listed as an inventor at Landec. The first was granted in 1989 and the most recent in October 2017. David Taft ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list David Taft in Uxbridge, MA, US.

Patents per Year

Patents granted per year, 1989 to 2017Bar chart with a peak of 3 patents in 2013.peak 31989: 1 patents19891990: 1 patents1998: 2 patents19982002: 1 patents2003: 1 patents20032004: 1 patents2006: 1 patents20062007: 1 patents2008: 1 patents20082012: 1 patents2013: 3 patents20132015: 1 patents2017: 1 patents2017

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9790334 Polymer-graphene nanocomposites Allen D. Clauss, Guiquan Pan, Nicholas Richard Wietfeldt, Matthew Clayton Hall 2017-10-17
8956602 Delivery of drugs Steven Bitler, Qiang Zheng, Adam Bell, Stelios Tzannis 2015-02-17 $2,669,000
8529922 Polymer formulations for delivery of bioactive materials Stelios Tzannis, Wei-Guo Dai, Sandra Ottensmann, Steven Bitler, Qiang Zheng +1 more 2013-09-10 $2,759,000
8524259 Systems and methods for delivery of materials Steven Bitler, Qiang Zheng, Stelios Tzannis, Adam Bell, Wei-Guo Dai +2 more 2013-09-03 $2,669,000
8399007 Method for formulating a controlled-release pharmaceutical formulation Stelios Tzannis, Wei-Guo Dai, Sandra Ottensmann, Steven Bitler, Qiang Zheng +1 more 2013-03-19 $2,722,000
8114883 Polymer formulations for delivery of bioactive materials Stelios Tzannis, Wei-Guo Dai, Sandra Ottensmann, Steven Bitler, Qiang Zheng +1 more 2012-02-14 $1,504,000
7449511 Polymeric thickeners for oil-containing compositions Steven Bitler 2008-11-11 $2,348,000
7182951 Selection and treatment of seeds Natarajan Balachander, Julian E. Schafer, Ray F. Stewart 2007-02-27 $3,237,000
6989417 Polymeric thickeners for oil-containing compositions Steven Bitler 2006-01-24 $1,375,000
6831116 Polymeric modifying agents Steven Bitler, Ray F. Stewart, Mark A. Wanthal, David A. Kamp, Paul A. Meyers +1 more 2004-12-14 $2,093,000
6544453 Method of using low profile additives for crosslinkable resins Steven Bitler 2003-04-08 $917,000
6492462 Side chain crystalline polymer as rheology modifier for crosslinked polymer Steven Bitler, Ray F. Stewart 2002-12-10 $545,000
5807291 Method of forming an orthopedic cast Andrew W. Larson, Steven Bitler, Lawrence C. Greene, Ray F. Stewart, Valentine Y. Yoon +3 more 1998-09-15
5752926 Orthopedic casts Andrew W. Larson, Steven Bitler, Lawrence C. Greene, Ray F. Stewart, Valentine Y. Yoon +3 more 1998-05-19 $1,665,000
4935467 Polymeric blends Tai C. Cheng, Bruce A. Kaduk, Ashok K. Mehan, Carl J. Weber, Steven C. Zingheim 1990-06-19 $1,402,000
4796319 Combination screw-tapping and screwdriving tool 1989-01-10