Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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C. David Wang — 12 Patents

ASAil Systems: 6 patents #3 of 49Top 7%
MMMannington Mills: 6 patents #5 of 52Top 10%
Wilmington, DE: #392 of 3,182 inventorsTop 15%
Delaware: #765 of 7,163 inventorsTop 15%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
C. David Wang has been granted 12 US patents while listed as an inventor at Ail Systems. The first was granted in 1988 and the most recent in May 1999. C. David Wang ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list C. David Wang in Wilmington, DE, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5899984 Apparatus and method for detection of molecular vapors in an atmospheric region James P. Thompson, William T. Walter 1999-05-04
5790250 Apparatus and method for real-time spectral alignment for open-path fourier transform infrared spectrometers Robert Howard Kagann 1998-08-04
5638281 Target prediction and collision warning system 1997-06-10
5613039 Apparatus and method for motion detection and tracking of objects in a region for collision avoidance utilizing a real-time adaptive probabilistic neural network James P. Thompson 1997-03-18
5563982 Apparatus and method for detection of molecular vapors in an atmospheric region James P. Thompson, William T. Walter 1996-10-08
5494707 Resilient floor covering and method of making same John M. Eby, David Lan, Hao A. Chen, Richard Judd, Richard D. Joslin 1996-02-27
5458953 Resilient floor covering and method of making same John M. Eby, Richard D. Joslin 1995-10-17
5405674 Resilient floor covering and method of making same John M. Eby, David Lan, Hao A. Chen, Richard Judd, Richard D. Joslin 1995-04-11
5338504 Decorative surface coverings having platey material Jeffrey R. Shultz, Hao A. Chen 1994-08-16
5276772 Real time adaptive probabilistic neural network system and method for data sorting James P. Thompson 1994-01-04
4863782 Decorative embossed surface coverings having platey material and inlaid appearance Jeffrey R. Shultz, Hao A. Chen, James L. Minter, Charles H. Brower 1989-09-05
4756951 Decorative surface coverings having platey material Jeffrey R. Shultz, Hao A. Chen 1988-07-12