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

David B. Spicer — 56 Patents

ExxonMobil: 56 patents #109 of 10,161Top 2%
Houston, TX: #170 of 21,073 inventorsTop 1%
Texas: #1,413 of 125,132 inventorsTop 2%
Overall (All Time): #44,020 of 4,157,543Top 2%
56 Patents All Time
David B. Spicer has been granted 56 US patents while listed as an inventor at ExxonMobil. The first was granted in 2002 and the most recent in January 2025. David B. Spicer ranks #44,020 of 4,157,543 US inventors in our database (top 1.1%). Patent records list David B. Spicer in Houston, TX, US.

Patents per Year

Patents granted per year, 2002 to 2025Bar chart with a peak of 9 patents in 2005.peak 92002: 1 patents20022004: 1 patents2005: 9 patents20052006: 4 patents2008: 1 patents20082009: 2 patents2010: 2 patents20102011: 7 patents2012: 2 patents20122013: 2 patents2014: 4 patents20142016: 1 patents2017: 1 patents20172018: 1 patents2019: 4 patents20192020: 3 patents2021: 3 patents20212022: 3 patents2024: 4 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 56 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12187967 Processes and systems for quenching pyrolysis effluents Reyyan Koc-Karabocek, James R. Lattner, William A. Aslaner, Mark A. Rooney 2025-01-07
12098337 Conduits for cooling a hydrocarbon gas-containing stream and processes for using same James C. Slonaker, Thomas T. Hirst 2024-09-24 $1,270,046,000
12097464 Amine CO2 separation process integrated with hydrocarbons processing James L. Kendall, Steven M. Slack 2024-09-24 $1,270,046,000
12024685 High pressure ethane cracking with small diameter furnace tubes George Stephens, Gregory E. Yeo, Stephen R. Phillips 2024-07-02 $1,316,170,000
12024684 Furnace systems and methods for cracking hydrocarbons William A. Aslaner, Thomas T. Hirst, George Stephens 2024-07-02 $1,316,170,000
11512257 Integration of hydrogen-rich fuel-gas production with olefins production plant Thomas T. Hirst, James L. Kendall, You Fang, Steven M. Slack 2022-11-29 $526,650,000
11498834 Production of hydrogen-rich fuel-gas with reduced CO2 emission Thomas T. Hirst, James L. Kendall, You Fang 2022-11-15 $1,323,939,000
11479462 Hydrocarbon reforming processes with shaft power production 2022-10-25 $923,712,000
11155756 Pyrolysis furnace tubes ChangMin Chun 2021-10-26 $413,335,000
11078429 Burner, furnace, and steam cracking processes using the same George Stephens 2021-08-03 $316,417,000
11053445 Heat transfer tube for hydrocarbon processing Bharath Krishnamoorthi 2021-07-06 $295,995,000
10669487 Process and apparatus for reducing thermal shock in a hydrocarbon steam cracking furnace Philippe Le Roy, George Stephens 2020-06-02 $187,453,000
10655072 Pyrolysis furnace tubes ChangMin Chun 2020-05-19 $225,839,000
10597586 Burner, furnace, and steam cracking processes using the same George Stephens 2020-03-24 $101,860,000
10351784 Pyrolysis furnace tubes ChangMin Chun 2019-07-16 $49,855,000
10336945 Process and apparatus for decoking a hydrocarbon steam cracking furnace Subramanian Annamalai, James M. Frye 2019-07-02 $181,493,000
10315968 Process for steam cracking hydrocarbons Gary F. Janda 2019-06-11 $110,169,000
10207242 Alumina forming refinery process tubes with mixing element ChangMin Chun 2019-02-19 $155,000,000
10160919 Process and apparatus for reducing thermal shock in a hydrocarbon steam cracking furnace Philippe Le Roy, George Stephens 2018-12-25
9828554 Process and apparatus for decoking a hydocarbon steam cracking furnace Subramanian Annamalai, William A. Aslaner 2017-11-28 $249,309,000
9296666 Pyrolysis furnace tube joint Christopher C. Penney 2016-03-29 $153,659,000
8906511 Alumina forming bimetallic tube and method of making and using ChangMin Chun, D. Samuel Deutsch, James E. Feather, Jeffrey P. Jones 2014-12-09 $155,141,000
8864977 Process for the on-stream decoking of a furnace for cracking a hydrocarbon feed 2014-10-21 $110,035,000
8747765 Apparatus and methods for utilizing heat exchanger tubes Jeffrey P. Jones 2014-06-10 $140,392,000
8684384 Process for cracking a heavy hydrocarbon feedstream Caleb M. Scherer, James M. Frye, Subramanian Annamalai 2014-04-01 $226,524,000