Inventor
Stephen M. Hsu
Inventor
Germantown, MD, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Mprimary
C10MLubricating compositions23%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions17%
F16CShafts10%
Y10TTechnical subjects covered by former us classification10%
B05DProcesses for applying fluent materials to surfaces, in general7%
B24BMachines, devices, or processes for grinding or polishing7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B23PMetal-working not otherwise provided for3%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
PatentTitleYear
10,737,358Self-repairing and self-sustaining autonomous machines202010,611,983Microencapsulation of chemical additives202010,245,806Friction reduction for engine components20196,206,764'Methods for machining hard materials using alcohols'20016,207,627'Oxygen-containing organic compounds as boundary lubricants for silicon nitride ceramics'20015,633,086'Friction and wear resistant coating for titanium and its alloys'19975,447,466'Chemically assisted process for the machining of ceramics'19955,344,577'Methods for reducing wear on silicon carbide ceramic surfaces'19945,236,610'Stable high temperature liquid lubricant blends and antioxidant additives for use therewith'19934,919,829'Aluminum hydroxides as solid lubricants'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2001Patents assigned to US COMMERCE (3)· patent assignee history
1990Based in Gaithersburg, MD, US· patent location history
1993Based in Darnstown, MD, US· patent location history
1994–1997Patents assigned to US ARMY (3)· patent assignee history
1994–2020Based in Germantown, MD, US· patent location history
2001Based in Darnestown, MD, US· patent location history
2019–2020Patents assigned to UNIV GEORGE WASHINGTON (3)· patent assignee history
2019Patents assigned to CHEN MING (1)· patent assignee history
2020Patents assigned to HSU STEPHEN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV GEORGE WASHINGTON | 3 | 2019–2020 |
| US ARMY | 3 | 1994–1997 |
| US COMMERCE | 3 | 1990–2001 |
| CHEN MING | 1 | 2019 |
| HSU STEPHENself | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Germantown, Maryland, US | 7 | 1994–2020 |
| Darnestown, Maryland, US | 1 | 2001 |
| Darnstown, Maryland, US | 1 | 1993 |
| Gaithersburg, Maryland, US | 1 | 1990 |