Inventor
John DeRosa
Inventor
Upper Marlboro, MD, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification22%
B23BTurning17%
G06FElectric digital data processing9%
H04LTransmission of digital information, e.g. telegraphic communication9%
B01DSeparation4%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like4%
F02DControlling combustion engines4%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4%
F16LPipes4%
F26BDrying solid materials or objects by removing liquid therefrom4%
PatentTitleYear
10,080,987High recycle/reclaimed asphalt hot mix asphalt system and gas treatment process2018D0746613'Dual-sided head rest pillow for attaching to chairs'20168,851,812'Quick change power tool chuck'20147,766,586'Quick change power tool chuck'20107,668,997'High speed bus system that incorporates uni-directional point-to-point buses'20106,928,500'High speed bus system that incorporates uni-directional point-to-point buses'20056,880,832'Quick change power tool chuck'20056,332,619'Derosa router chuck'2001D0445963'Hand protection device with bag incorporated therein'20014,596,461'In-line, concurrent electromagnetic beam analyzer'19863,963,055'Self-sealing fuel line'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2016Patents assigned to DEROSA JOHN (2)· patent assignee history
1986–2014Based in Upper Marlboro, MD, US· patent location history
2001Patents assigned to J P WALSH J P MARMO ENTPR INC (1)· patent assignee history
2001Based in Landing, NJ, US· patent location history
2005–2010Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (2)· patent assignee history
2005–2010Based in Princeton, MA, US· patent location history
2010–2014Patents assigned to DEROSA JOHN L (2)· patent assignee history
2016Based in Erie, PA, US· patent location history
2018Patents assigned to CROWLEY CHEMICAL COMPANY INC (1)· patent assignee history
2018Based in West Chester, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEROSA JOHNself | 2 | 1976–2016 |
| DEROSA JOHN Lself | 2 | 2010–2014 |
| HEWLETT PACKARD DEVELOPMENT CO | 2 | 2005–2010 |
| CROWLEY CHEMICAL COMPANY INC | 1 | 2018 |
| J P WALSH J P MARMO ENTPR INC | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Upper Marlboro, Maryland, US | 5 | 1986–2014 |
| Princeton, Massachusetts, US | 2 | 2005–2010 |
| West Chester, Pennsylvania, US | 1 | 2018 |
| Erie, Pennsylvania, US | 1 | 2016 |
| Landing, New Jersey, US | 1 | 2001 |