Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DM

Douglas Milliman — 10 Patents

HDHydril Usa Distribution: 7 patents #3 of 110Top 3%
DEDematic: 2 patents #47 of 178Top 30%
BLBaker Hughes Energy Technology Uk Limited: 1 patents #18 of 89Top 25%
Houston, TX: #2,288 of 21,073 inventorsTop 15%
Texas: #15,190 of 125,132 inventorsTop 15%
Overall (All Time): #495,791 of 4,157,543Top 15%
10 Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11692410 High pressure blowout preventer system John Steven Holmes, Luis E. Huerta, Eric Dale Larson, Gregory Ronald Gillette, Robert Arnold Judge +1 more 2023-07-04
11519237 High pressure blowout preventer system John Steven Holmes, Luis E. Huerta, Eric Dale Larson, Gregory Ronald Gillette, Robert Arnold Judge +1 more 2022-12-06
11035217 Graphical indexing for life cycle management of drilling system assets John Steven Holmes, Prakash Kumar Arcot 2021-06-15
10876369 High pressure blowout preventer system John Steven Holmes, Luis E. Huerta, Eric Dale Larson, Gregory Ronald Gillette, Robert Arnold Judge +1 more 2020-12-29
10545803 Graphical indexing for life cycle management of drilling system assets John Steven Holmes, Prakash Kumar Arcot 2020-01-28
10196871 Sil rated system for blowout preventer control John Steven Holmes, Amine Abou-Assaad, Luis E. Huerta 2019-02-05
10048673 High pressure blowout preventer system John Steven Holmes, Luis E. Huerta, Eric Dale Larson, Gregory Ronald Gillette, Robert Arnold Judge +1 more 2018-08-14
9803448 SIL rated system for blowout preventer control John Steven Holmes, Luis E. Huerta 2017-10-31
7413071 Conveyor induction subsystem and method of inducting articles using feedback-gappers David Zeitler, Martin R. Doane 2008-08-19
7191895 Conveyor induct system with probability estimator David Zeitler, Martin R. Doane 2007-03-20