Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HC

Hao A. Chen — 70 Patents

MMMannington Mills: 40 patents #1 of 52Top 2%
VAValinge Innovation Ab: 6 patents #25 of 54Top 50%
CSCore Energy Recovery Solultions: 3 patents #5 of 9Top 60%
LTLivermore Software Technology: 2 patents #14 of 45Top 35%
VAVälinge Innovation Ab: 2 patents #25 of 47Top 55%
JUJilin University: 1 patents #118 of 534Top 25%
NINanjing Hydraulic Research Institute: 1 patents #24 of 141Top 20%
SCShine Optoelectronics (Kunshan) Co.: 1 patents #11 of 17Top 65%
DSDiscover Financial Services: 1 patents #23 of 73Top 35%
Palatine, IL: #9 of 1,176 inventorsTop 1%
Illinois: #393 of 84,256 inventorsTop 1%
Overall (All Time): #29,093 of 4,157,543Top 1%
70 Patents All Time

Issued Patents All Time

Showing 51–70 of 70 patents

Patent #TitleCo-InventorsDate
6675545 Connecting system for surface coverings Richard Judd 2004-01-13
6617009 Thermoplastic planks and methods for making the same Richard Judd 2003-09-09
6555216 Contrasting gloss surface coverings optionally containing dispersed wear-resistant particles and methods of making the same Richard Judd, Isaac Bernard Rufus, Jeffrey R. Shultz 2003-04-29
6410634 Low gloss polish formulations Isaac Bernard Rufus 2002-06-25
6363677 Surface covering system and methods of installing same John M. Whispell 2002-04-02
6316075 Surface coverings containing fused recycled material and processes of making the same Peter Desai, Nicholas Zerebecki 2001-11-13
6299974 Stain blocking barrier layer Keith S. Shih 2001-10-09
6291078 Surface coverings containing aluminum oxide Isaac Bernard Rufus 2001-09-18
6228463 Contrasting gloss surface coverings optionally containing dispersed wear-resistant particles and methods of making the same Richard Judd, Isaac Bernard Rufus, Jeffrey R. Shultz 2001-05-08
6218001 Surface coverings containing dispersed wear-resistant particles and methods of making the same Richard Judd, Isaac Bernard Rufus 2001-04-17
6114008 Surface coverings having a natural appearance and methods to make a surface covering having a natural appearance John M. Eby, Alonzo M. Burns, Jr. 2000-09-05
5981058 Stain blocking barrier layer Keith S. Shih 1999-11-09
5961903 Method of making a surface covering having a natural appearance John M. Eby, Alonzo M. Burns, Jr. 1999-10-05
5955521 Ultra-violet stabilized polyvinyl chloride resins and methods to impart ultra-violet stabilization to polyvinyl chloride resins Isaac Bernard Rufus 1999-09-21
5891294 Stain blocking barrier layer Keith S. Shih 1999-04-06
5494707 Resilient floor covering and method of making same C. David Wang, John M. Eby, David Lan, Richard Judd, Richard D. Joslin 1996-02-27
5405674 Resilient floor covering and method of making same C. David Wang, John M. Eby, David Lan, Richard Judd, Richard D. Joslin 1995-04-11
5338504 Decorative surface coverings having platey material C. David Wang, Jeffrey R. Shultz 1994-08-16
4863782 Decorative embossed surface coverings having platey material and inlaid appearance C. David Wang, Jeffrey R. Shultz, James L. Minter, Charles H. Brower 1989-09-05
4756951 Decorative surface coverings having platey material C. David Wang, Jeffrey R. Shultz 1988-07-12