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

William A. Aslaner — 4 Patents

ExxonMobil: 4 patents #2,519 of 10,161Top 25%
League City, TX: #122 of 561 inventorsTop 25%
Texas: #33,915 of 125,132 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
William A. Aslaner has been granted 4 US patents while listed as an inventor at ExxonMobil. The first was granted in 2017 and the most recent in January 2025. William A. Aslaner ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list William A. Aslaner in League City, TX, US.

Patents per Year

Patents granted per year, 2017 to 2025Bar chart with a peak of 1 patents in 2017.peak 12017: 1 patents20172022: 1 patents20222024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12187967 Processes and systems for quenching pyrolysis effluents Reyyan Koc-Karabocek, James R. Lattner, David B. Spicer, Mark A. Rooney 2025-01-07
12024684 Furnace systems and methods for cracking hydrocarbons Thomas T. Hirst, David B. Spicer, George Stephens 2024-07-02 $1,316,170,000
11471830 Filtration of chromium from flue gas in furnace stacks Darian E. Orozco, Mark A. Rooney 2022-10-18 $525,497,000
9828554 Process and apparatus for decoking a hydocarbon steam cracking furnace David B. Spicer, Subramanian Annamalai 2017-11-28 $249,309,000