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

Hailing An — 6 Patents

Chevron: 6 patents #772 of 4,788Top 20%
Caltech: 3 patents #909 of 4,321Top 25%
Houston, TX: #3,855 of 21,073 inventorsTop 20%
Texas: #24,637 of 125,132 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Hailing An has been granted 6 US patents while listed as an inventor at Chevron. The first was granted in 2011 and the most recent in May 2025. Hailing An ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Hailing An in Houston, TX, US.

Patents per Year

Patents granted per year, 2011 to 2025Bar chart with a peak of 3 patents in 2023.peak 32011: 1 patents20112015: 1 patents20152023: 3 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12305478 Evaluating choke valve performance during subterranean field operations James Nileshwar 2025-05-20
11621789 Under-liquid communication using magneto-quasistatic signals Robert Kwan Meng Seah, Baha Tulu Tanju, Darmindra D. Arumugam 2023-04-04 $1,070,523,000
11614331 Position tracking inside metallic environments using magneto-electric quasistatic fields Robert Kwan Meng Seah, Darmindra D. Arumugam 2023-03-28 $2,047,732,000
11566511 Imaging inside a structure using magneto quasistatic fields Robert Kwan Meng Seah, Thomas E. O'Donnell, Darmindra D. Arumugam 2023-01-31 $455,767,000
8955595 Apparatus and method for providing a controllable supply of fluid to subsea well equipment Chukwuemeka U. Emecheta, Thomas E. O'Donnell, Omid Oujani, Baha Tulu Tanju, George Siappas 2015-02-17 $219,168,000
7895001 Subsea control system diagnosis Baha Tulu Tanju, Ashish Karamchandani 2011-02-22 $344,744,000