Inventor
David S. Lee
Inventor
Wenham, MA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Fprimary
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys17%
C21DModifying the physical structure of ferrous metals14%
C22CAlloys14%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing7%
B21JForging7%
B22DCasting of metals7%
C22BProduction and refining of metals7%
H01JElectric discharge tubes or discharge lamps7%
Y10TTechnical subjects covered by former us classification7%
A61LMethods or apparatus for sterilising materials or objects in general3%
PatentTitleYear
11,071,894Golf club head or other ball striking device having multi-piece construction and method for manufacturing202110,273,568Cellulosic and synthetic polymeric feedstock barrel for use in rapid discharge forming of metallic glasses201910,213,822Feedstock barrels coated with insulating films for rapid discharge forming of metallic glasses201910,086,246Golf club fabricated from bulk metallic glasses with high toughness and high stiffness201810,006,112Fluxing method to reverse the adverse effects of aluminum impurities in nickel-based glass-forming alloys20189,963,763Production of metallic glass by melt deposition20189,845,523Methods for shaping high aspect ratio articles from metallic glass alloys using rapid capacitive discharge and metallic glass feedstock for use in such methods20179,393,612'Automated rapid discharge forming of metallic glasses'20165,642,853'Method for bonding steel to copper'1997H0001659'Method for heat treating titanium aluminide alloys'19975,308,172'Bearing assembly'19945,008,918'Bonding materials and process for anode target in an x-ray tube'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1997Patents assigned to GEN ELECTRIC (3)· patent assignee history
1991–1997Based in Brookfield, WI, US· patent location history
1997Based in Chesterfield, MO, US· patent location history
2016Patents assigned to GLASSIMETAL TECHNOLOGY INC (1)· patent assignee history
2016–2021Based in Wenham, MA, US· patent location history
2017–2019Patents assigned to GLASSIMETAL TECH INC (6)· patent assignee history
2017–2019Patents assigned to APPLE INC (5)· patent assignee history
2021Patents assigned to KARSTEN MFG CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GLASSIMETAL TECH INC | 6 | 2017–2019 |
| APPLE INC | 5 | 2017–2019 |
| GEN ELECTRIC | 3 | 1991–1997 |
| GLASSIMETAL TECHNOLOGY INC | 1 | 2016 |
| KARSTEN MFG CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wenham, Massachusetts, US | 8 | 2016–2021 |
| Brookfield, WI, US | 3 | 1991–1997 |
| Chesterfield, MO, US | 1 | 1997 |