Inventor

David G. Hammond

Inventor
Fairfax, VA, US

Overview

12→
Patents
1997–2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C10Gprimary
C10GCracking hydrocarbon oils33%
A01NPreservation of bodies of humans or animals or plants or parts thereof8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C10BDestructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials8%
B01DSeparation4%
C01CAmmonia4%
C02FTreatment of water, waste water, sewage, or sludge4%
C05CNitrogenous fertilisers4%
C05DInorganic fertilisers not covered by subclasses c05b, c05c4%
C05GMixtures of fertilisers covered individually by different subclasses of class c054%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1999Patents assigned to EXXON RESEARCH ENGINEERING CO (4)· patent assignee history
1997–1999Based in Madison, NJ, US· patent location history
2000–2001Patents assigned to UNIV CALIFORNIA (2)· patent assignee history
2000–2018Based in Berkeley, CA, US· patent location history
2011–2018Patents assigned to EXXONMOBIL RES & ENG CO (4)· patent assignee history
2011–2018Based in Fairfax, VA, US· patent location history
2012–2018Patents assigned to HAMMOND DAVID G (3)· patent assignee history
2012–2013Patents assigned to SOTO JORGE L (2)· patent assignee history
2014Based in Laytonsville, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EXXON RESEARCH ENGINEERING CO41997–1999
EXXONMOBIL RES & ENG CO42011–2018
HAMMOND DAVID Gself32012–2018
SOTO JORGE L22012–2013
UNIV CALIFORNIA22000–2001
Locations
LocationPatentsSpan
Fairfax, Virginia, US42011–2018
Madison, New Jersey, US41997–1999
Berkeley, California, US32000–2018
Laytonsville, Maryland, US12014