Inventor
David L. Pappas
Inventor
Waltham, MA, US
Overview
19→
Patents
1998–2012
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy20%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%
B26BHand-held cutting tools not otherwise provided for12%
C23CCoating metallic material12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
H01JElectric discharge tubes or discharge lamps8%
LOC284%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
C25DProcesses for the electrolytic or electrophoretic production of coatings2%
PatentTitleYear
8,088,519'Battery cartridges'20127,704,621'Batteries and battery systems'20107,582,125'Method of forming a nickel layer on the cathode casing for a zinc-air cell'20097,056,617'Batteries and battery systems'20066,632,557'Cathodes for metal air electrochemical cells'20036,598,303'Surface conforming shaving razor and handle therefor'20036,551,742'Zinc/air cell'20036,548,201'Zinc/air cell'20036,500,576'Hydrogen recombination catalyst'20026,447,947'Zinc/air cell'20026,333,123'Hydrogen recombination catalyst'20016,308,416'Surface conforming shaving razor and handle therefor'20016,289,593'Amorphous diamond coating of blades'2001D0435316'Shaving razor'2000D0435144'Razor handle'20006,077,572'Method of coating edges with diamond-like carbon'20005,992,268'Amorphous diamond coating of blades'19995,940,975'Amorphous diamond coating of blades'19995,799,549'Amorphous diamond coating of blades'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2012Patents assigned to GILLETTE CO (15)· patent assignee history
1998–2003Based in Waltham, MA, US· patent location history
2006–2012Based in Danbury, CT, US· patent location history
2012Patents assigned to KELSEY G STEVEN (1)· patent assignee history
2012Patents assigned to KOUZNETSOVA YELENA (1)· patent assignee history
2012Patents assigned to MAKOVETSKI BORIS (1)· patent assignee history
2012Patents assigned to MOTUPALLY SATHYA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GILLETTE CO | 15 | 1998–2012 |
| KELSEY G STEVEN | 1 | 2012 |
| KOUZNETSOVA YELENA | 1 | 2012 |
| MAKOVETSKI BORIS | 1 | 2012 |
| MOTUPALLY SATHYA | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Waltham, Massachusetts, US | 15 | 1998–2003 |
| Danbury, CT, US | 4 | 2006–2012 |