Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stephen E. Bales — 29 Patents

EAE.I. Du Pont De Nemours And: 26 patents #241 of 12,129Top 2%
DODowelanco: 1 patents #98 of 212Top 50%
Midland, MI: #109 of 2,814 inventorsTop 4%
Michigan: #2,299 of 86,293 inventorsTop 3%
Overall (All Time): #127,851 of 4,157,543Top 4%
29 Patents All Time
Stephen E. Bales has been granted 29 US patents. The first was granted in 1982 and the most recent in April 2000. Stephen E. Bales ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list Stephen E. Bales in Midland, MI, US.

Patents per Year

Patents granted per year, 1982 to 2000Bar chart with a peak of 4 patents in 1991.peak 41982: 1 patents19821983: 1 patents1984: 1 patents19841989: 2 patents1991: 4 patents19911992: 1 patents1993: 1 patents19931994: 3 patents1995: 3 patents19951996: 4 patents1997: 4 patents19971998: 3 patents2000: 1 patents2000

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6051294 Heat-resistant hydroxy-functional polyethers as thermoplastic barrier resins Jerry E. White, H. Craig Silvis, Michael N. Mang, Muthiah N. Inbasekaran 2000-04-18 $25,389,000
5837032 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures David J. Moll, Alan F. Burmester, Thomas C. Young, Kent B. McReynolds, James E. Clark +7 more 1998-11-17 $16,038,000
5814373 Heat-resistant hydroxy-functional polyethers as thermoplastic barrier resins Jerry E. White, H. Craig Silvis, Michael N. Mang, Muthiah N. Inbasekaran 1998-09-29 $22,837,000
5718967 Coated plastic substrate Ing-Feng Hu, Paul O'Connor, James C. Tou, James H. Sedon, Donald J. Perettie 1998-02-17 $27,386,000
5679133 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures David J. Moll, Alan F. Burmester, Thomas C. Young, Kent B. McReynolds, James E. Clark +7 more 1997-10-21 $9,675,000
5650479 Interfacially polymerized polyester films Paul G. Glugla, Gregory K. Rickle, Bethanne L. Smith 1997-07-22 $32,961,000
5644017 Polycarbonate terminated by an ionic sulfonated aromatic moiety and preparation thereof Ray E. Drumright, Michael J. Mullins 1997-07-01 $17,332,000
5614599 Stilbene-based polyester and polycarbonate compositions Robert E. Hefner, Jr., Rina Singh 1997-03-25 $14,563,000
5532331 Thiodiphenol copolycarbonates and their use as components of multilayered polymeric reflective bodies Charles A. Langhoff, John A. Wheatley 1996-07-02 $9,078,000
5516877 Crosslinkable carbonate polymers of dihydroxyaryl fluorene James P. Godschalx, Philip C. Yang, Matthew T. Bishop, Maurice J. Marks 1996-05-14 $8,632,000
5490967 Low heat release polymeric composites Patrick H. Martin, Peter K. Kim, Ritchie A. Wessling 1996-02-13 $3,966,000
5486577 Blends of diaryl fluorene carbonate polymers with bisphenol A carbonate polymers Hani Farah 1996-01-23 $3,222,000
5466397 Nonlinear optically active pyrazolines and polymeric compositions containing moieties derived therefrom David J. Brennan, Robert J. Gulotty, Jr., Muthiah N. Inbasekaran, Michael N. Mang, Mark D. Newsham 1995-11-14 $20,274,000
5447960 Fungicidal use of phenolic aromatic compounds Deirdre M. Sinnott, Hak-Fun Chow, Robert J. Ehr, Steven D. Lubetkin, Muthiah N. Inbasekaran 1995-09-05
5419957 Low heat release polymeric composites Patrick H. Martin, Peter K. Kim, Ritchie A. Wessling 1995-05-30 $23,191,000
5362838 Carbonate polymers containing ethenyl aryl moieties James E. McGrath, Daniel M. Knauss, Thomas A. Chamberlin, Michael J. Mullins, Maurice J. Marks 1994-11-08 $10,246,000
5352272 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures David J. Moll, Alan F. Burmester, Thomas C. Young, Kent B. McReynolds, James E. Clark +7 more 1994-10-04 $12,574,000
5278694 Optically dissimilar composition for polymeric reflective bodies John A. Wheatley, Walter J. Schrenk, Mark A. Barger, Charles A. Langhoff, Ravi Ramanathan 1994-01-11 $10,049,000
5208299 Nonlinear optical arylhydrazones and nonlinear optical polymers thereof David J. Brennan, Robert J. Gulotty, Jr., Anthony P. Haag, Muthiah N. Inbasekaran 1993-05-04 $4,280,000
5106936 Thermoplastic compositions with nonlinear optical activity Robert J. Gulotty, Jr. 1992-04-21 $6,179,000
5045610 Blend of copolyestercarbonate polymer derived from diaryl dicarboxylic acid Kenneth A. Burdett, Guo-shuh J. Lee 1991-09-03 $5,420,000
5037935 Thermoplastic compositions with nonlinear optical activity Robert J. Gulotty, Jr. 1991-08-06 $5,679,000
5034496 Polycarbonate compositions Ronald L. Yates 1991-07-23 $9,709,000
4994533 Poly(aryl ether)-poly(aryl carbonate) block copolymers and their preparation Michael J. Mullins, Steven P. Crain, Edmund P. Woo, Daniel J. Murray 1991-02-19 $9,568,000
4840646 Tetrabromo bisphenol based polyestercarbonate membranes and method of using Joginder N. Anand, Darrell C. Feay, Thomas O. Jeanes 1989-06-20 $6,368,000