Inventor
John C. Welch
Inventor
Spring, TX, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling23%
C09KMaterials for miscellaneous applications, not provided for elsewhere13%
B22FWorking metallic powder8%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
C22CAlloys6%
LOC216%
Y10TTechnical subjects covered by former us classification4%
A46BBrushes2%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing2%
PatentTitleYear
10,907,089Treatment fluids for a subterranean formation202110,851,611Hybrid disintegrable articles202010,807,355Additive manufacturing of functionally gradient degradable tools202010,393,482System and method for altering a burn rate of a propellant201910,352,133High temperature hydrophobic chemical resistant coating for downhole applications201910,335,855Additive manufacturing of functionally gradient degradable tools201910,059,092Additive manufacturing of functionally gradient degradable tools20189,902,896'Methods of stabilizing clays within a subterranean formation'20189,753,171'Formation collapse sensor and related methods'20179,566,488'Golf club cleaner'20179,090,812'Self-inhibited swell packer compound'20158,876,944'Downhole fluid separation system and method'20147,958,936'Downhole formation sampling'20117,775,276'Method and apparatus for downhole sampling'2010D0443666'Golf club cover'20016,211,120'Application of aluminum chlorohydrate in viscosifying brine for carrying proppants in gravel packing'20016,194,355'Use of alkoxylated surfactants and aluminum chlorohydrate to improve brine-based drilling fluids'2001D0396514'Golf club cover'1998D0395694'Golf club cover'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2001Patents assigned to TOUR GEAR LTD (3)· patent assignee history
1998–2001Based in Rochester Hills, MI, US· patent location history
1998Based in Altamonte Springs, FL, US· patent location history
2001–2020Patents assigned to BAKER HUGHES INC (7)· patent assignee history
2001–2021Based in Spring, TX, US· patent location history
2014–2020Patents assigned to WELCH JOHN C (6)· patent assignee history
2017Based in American Fork, UT, US· patent location history
2018–2020Patents assigned to BAKER HUGHES A GE CO LLC (6)· patent assignee history
2018–2020Patents assigned to OXFORD JAMES ANDY (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAKER HUGHES INC | 7 | 2001–2020 |
| BAKER HUGHES A GE CO LLC | 6 | 2018–2020 |
| WELCH JOHN Cself | 6 | 2014–2020 |
| OXFORD JAMES ANDY | 3 | 2018–2020 |
| TOUR GEAR LTD | 3 | 1998–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Spring, Texas, US | 15 | 2001–2021 |
| Rochester Hills, MI, US | 2 | 1998–2001 |
| American Fork, UT, US | 1 | 2017 |
| Altamonte Springs, Florida, US | 1 | 1998 |