Inventor
Wesley John Nowitzki
Inventor
Broken Arrow, OK, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Dprimary
F04DNon-positive-displacement pumps47%
E21BEarth or rock drilling19%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants14%
F16CShafts14%
B23PMetal-working not otherwise provided for3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,975,871Retaining ring anti-migration system and method202110,961,829Fallback bearing protection system202110,907,643Press-fit thrust bearing system and apparatus202110,808,516Crossover system and apparatus for an electric submersible gas separator202010,683,868Bushing anti-rotation system and apparatus202010,473,106Apparatus and system for sealing submersible pump assemblies201910,359,045Press-fit thrust bearing system and apparatus201910,161,411Centrifugal pump sealing surfaces201810,054,123Torque transfer system for centrifugal pumps20189,932,806Apparatus, system and method for reducing gas to liquid ratios in submersible pump applications20189,829,001Electric submersible pump assembly bearing20179,816,519'Press-fit bearing locking system, apparatus and method'20179,677,560'Centrifugal pump impeller support system and apparatus'20179,638,015'Electric submersible pump inverted shroud assembly'20179,638,207'Centrifugal pump for handling abrasive-laden fluid'20179,200,642'Abrasive handling submersible pump assembly diffuser'20159,175,692'Motor shroud for an electric submersible pump'20159,039,356'Abrasive handling submersible pump assembly diffuser'20158,919,432'Apparatus, system and method for reducing gas intake in horizontal submersible pump assemblies'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2018Patents assigned to SUMMIT ESP LLC (11)· patent assignee history
2014–2019Based in Broken Arrow, OK, US· patent location history
2018–2021Patents assigned to HALLIBURTON ENERGY SERVICES INC (8)· patent assignee history
2018–2021Based in Tulsa, OK, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMMIT ESP LLC | 11 | 2014–2018 |
| HALLIBURTON ENERGY SERVICES INC | 8 | 2018–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Broken Arrow, OK, US | 11 | 2014–2019 |
| Tulsa, OK, US | 8 | 2018–2021 |