Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Michael D. Durham — 41 Patents

ADAda-Es: 23 patents #3 of 28Top 15%
ASAda Environmental Solutions: 7 patents #1 of 17Top 6%
ATAda Technologies: 5 patents #7 of 46Top 20%
Castle Rock, CO: #7 of 429 inventorsTop 2%
Colorado: #618 of 40,980 inventorsTop 2%
Overall (All Time): #75,001 of 4,157,543Top 2%
41 Patents All Time
Michael D. Durham has been granted 41 US patents while listed as an inventor at Ada-Es. The first was granted in 1984 and the most recent in January 2024. Michael D. Durham ranks #75,001 of 4,157,543 US inventors in our database (top 1.8%). Patent records list Michael D. Durham in Castle Rock, CO, US.

Patents per Year

Patents granted per year, 1984 to 2024Bar chart with a peak of 4 patents in 2013.peak 41984: 1 patents19841991: 1 patents1993: 1 patents1994: 1 patents19941995: 1 patents1997: 1 patents1998: 1 patents19981999: 2 patents2001: 1 patents2004: 1 patents20042008: 1 patents2010: 1 patents2011: 1 patents20112012: 2 patents2013: 4 patents2014: 1 patents20142015: 3 patents2016: 2 patents2017: 3 patents20172018: 2 patents2019: 2 patents2020: 3 patents20202021: 1 patents2022: 2 patents2023: 1 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11884376 Landing apparatus for an air vehicle Paul Macey 2024-01-30
11745844 Aircraft and systems therefor Paul Macey 2023-09-05
11298657 Hot-side method and system Sharon Sjostrom, Kenneth E. Baldrey 2022-04-12
11213787 Method and system for controlling mercury emissions from coal-fired thermal processes Sharon Sjostrom, Connie Senior, Jon Lagarenne, Kenneth E. Baldrey, Ramon Bisque +1 more 2022-01-04
11118127 Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers Constance Senior, Gregory M. Filippelli, Cynthia Jean Bustard, William J. Morris, Sharon Sjostrom 2021-09-14
10843130 Method and system for controlling mercury emissions from coal-fired thermal processes Sharon Sjostrom, Connie Senior, Jon Lagarenne, Kenneth E. Baldrey, Ramon Bisque +1 more 2020-11-24
10730015 Hot-side method and system Sharon Sjostrom, Kenneth E. Baldrey 2020-08-04
10731095 Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers Constance Senior, Gregory M. Filippelli, Cynthia Jean Bustard, William J. Morris, Sharon Sjostrom 2020-08-04
10465137 Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers Constance Senior, Gregory M. Filippelli, Cynthia Jean Bustard, William J. Morris, Sharon Sjostrom 2019-11-05 $1,788,000
10427096 Method and system for controlling mercury emissions from coal-fired thermal processes Sharon Sjostrom, Connie Senior, Jon Lagarenne, Kenneth E. Baldrey, Ramon Bisque +1 more 2019-10-01
10124293 Hot-side method and system Sharon Sjostrom, Kenneth E. Baldrey 2018-11-13
9884286 Method and system for controlling mercury emissions from coal-fired thermal processes Sharon Sjostrom, Connie Senior, Jon Lagarenne, Kenneth E. Baldrey, Ramon Bisque +1 more 2018-02-06
9850442 Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers Constance Senior, Gregory M. Filippelli, Cynthia Jean Bustard, William J. Morris, Sharon Sjostrom 2017-12-26
9657942 Hot-side method and system Sharon Sjostrom, Kenneth E. Baldrey 2017-05-23
9592906 Air cushioned landing system for air vehicles Paul Macey 2017-03-14
9352275 Method and system for controlling mercury emissions from coal-fired thermal processes Sharon Sjostrom, Kenneth E. Baldrey, Nina Bergan French, Ramon Bisque 2016-05-31
9238782 Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers Constance Senior, Gregory M. Filippelli, Cynthia Jean Bustard, William J. Morris, Sharon Sjostrom 2016-01-19
9132904 Air vehicle having strakes 2015-09-15
8992637 Remote additive application Kenneth E. Baldrey, Ramon Bisque 2015-03-31
8951487 Hot-side method and system Sharon Sjostrom, Kenneth E. Baldrey 2015-02-10
8845986 Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers Constance Senior, Gregory M. Filippelli, Cynthia Jean Bustard, William J. Morris, Sharon Sjostrom 2014-09-30 $4,735,000
8524179 Hot-side method and system Sharon Sjostrom, Kenneth E. Baldrey 2013-09-03 $3,986,000
8496894 Method and system for controlling mercury emissions from coal-fired thermal processes Sharon Sjostrom, Kenneth E. Baldrey 2013-07-30 $4,878,000
8439989 Additives for mercury oxidation in coal-fired power plants Kenneth E. Baldrey, Sharon Sjostrom, Nina Bergan French, Stephen Allen Johnson, John Wurster +1 more 2013-05-14 $4,042,000
8372362 Method and system for controlling mercury emissions from coal-fired thermal processes Nina Bergan French, Ramon Bisque, Kenneth E. Baldrey 2013-02-12 $3,027,000