Inventor
Christopher Allen Grace
Inventor
Simpsonville, SC, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling39%
F01DNon-positive displacement machines or engines, e.g. steam turbines22%
Y10TTechnical subjects covered by former us classification11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
C04BLime, magnesia6%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g6%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants6%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure6%
PatentTitleYear
10,914,131Mechanical rotating control device latch assembly202110,605,038Latch assembly using on-board miniature hydraulics for RCD applications202010,435,980Integrated rotating control device and gas handling system for a marine drilling system201910,364,625Mechanically coupling a bearing assembly to a rotating control device201910,240,426Pressurizing rotating control devices201910,240,422Reinforced drill pipe seal with floating backup layer20199,822,628'Sealing element wear detection for wellbore devices'20177,434,670'Support apparatus and method for ceramic matrix composite turbine bucket shroud'20087,117,983'Support apparatus and method for ceramic matrix composite turbine bucket shroud'20066,942,203'Spring mass damper system for turbine shrouds'20056,884,030'Methods and apparatus for securing multi-piece nozzle assemblies'20056,830,437'Assembly containing a composite article and assembly method therefor'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2008Patents assigned to GEN ELECTRIC (5)· patent assignee history
2004–2008Based in Simpsonville, SC, US· patent location history
2017–2021Patents assigned to HALLIBURTON ENERGY SERVICES INC (7)· patent assignee history
2017–2019Based in Coppell, TX, US· patent location history
2019–2021Based in Fort Worth, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 7 | 2017–2021 |
| GEN ELECTRIC | 5 | 2004–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Simpsonville, SC, US | 5 | 2004–2008 |
| Fort Worth, Texas, US | 4 | 2019–2021 |
| Coppell, Texas, US | 3 | 2017–2019 |