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

Eric J. Haschke — 10 Patents

Chevron: 10 patents #480 of 4,788Top 15%
The Woodlands, TX: #54 of 186 inventorsTop 30%
Texas: #15,343 of 125,132 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Eric J. Haschke has been granted 10 US patents while listed as an inventor at Chevron. The first was granted in 2017 and the most recent in May 2025. Eric J. Haschke ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Eric J. Haschke in The Woodlands, TX, US.

Patents per Year

Patents granted per year, 2017 to 2025Bar chart with a peak of 3 patents in 2021.peak 32017: 1 patents20172018: 1 patents20182019: 2 patents20192021: 3 patents20212023: 1 patents20232024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12297304 Catalyst composition and method for preparing polyethylene Graham R. Lief, Qing Yang 2025-05-13
11993667 Catalyst composition and method for preparing polyethylene Graham R. Lief, Qing Yang 2024-05-28
11761120 High melt flow polypropylene homopolymers for fiber applications Graham R. Lief 2023-09-19
11186665 Catalyst composition and method for preparing polyethylene Graham R. Lief, Qing Yang 2021-11-30
10927053 Methods for the preparation and use of suspensions of chemically-treated solid oxides in an olefin-derived liquid medium Graham R. Lief, Pasquale Iacono 2021-02-23
10883197 High melt flow polypropylene homopolymers for fiber applications Graham R. Lief 2021-01-05
10344106 Process for reducing the light oligomer content of polypropylene oils Graham R. Lief, Uriah J. Kilgore 2019-07-09
10336663 Methods for the preparation and use of suspensions of chemically-treated solid oxides in an olefin-derived liquid medium Graham R. Lief, Pasquale Iacono 2019-07-02
9951158 Process for reducing the light oligomer content of polypropylene oils Graham R. Lief, Uriah J. Kilgore 2018-04-24
9732300 Liquid propylene oligomers and methods of making same Uriah J. Kilgore, Graham R. Lief 2017-08-15