Inventor

Daniel Kraemer

Inventor

Cambridge, MA, US

Overview

8→

Patents

1993–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 8 as inventor

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

C10Gprimary

C10GCracking hydrocarbon oils17%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%

C02FTreatment of water, waste water, sewage, or sludge11%

F24SSolar heat collectors11%

H01LSemiconductor devices11%

H02SGeneration of electric power by conversion of infrared radiation, visible light or ultraviolet light, e.g. using photovoltaic [pv] modules11%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation11%

F24J6%

G02BOptical elements, systems or apparatus6%

PatentTitleYear

10,533,777Selective solar absorbers with tuned oxygen deficiency and methods of fabrication thereof2020 9,929,690'Spectrally-engineered solar thermal photovoltaic devices'2018 9,917,221'Solar power conversion system with directionally- and spectrally-selective properties based on a reflective cavity'2018 8,501,007'Water desalination using directional solvent extraction'2013 8,119,007'Water desalination using directional solvent extraction'2012 5,674,378'Dynamic mixer process with continuous caustic phase for removal of elemental sulfur from organic fluids'1997 5,525,233'Process for the removal of elemental sulfur from fluids by mixing said fluid with an immiscible solution of alcoholic caustic and an inorganic sulfide or hydrosulfide'1996 5,199,978'Process for removing elemental sulfur from fluids'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1997Patents assigned to EXXON RESEARCH ENGINEERING CO (3)· patent assignee history

1993Based in Clearwater, CA· patent location history

1996–1997Based in Spruce Grove, CA· patent location history

2012–2020Patents assigned to MASSACHUSETTS INST TECHNOLOGY (5)· patent assignee history

2012–2013Patents assigned to BAJPAYEE ANURAG (2)· patent assignee history

2012–2013Patents assigned to CHEN GANG (2)· patent assignee history

2012–2013Patents assigned to KRAEMER DANIEL (2)· patent assignee history

2012–2020Based in Cambridge, MA, US· patent location history

2018Based in Providence, RI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MASSACHUSETTS INST TECHNOLOGY	5	2012–2020
EXXON RESEARCH ENGINEERING CO	3	1993–1997
BAJPAYEE ANURAG	2	2012–2013
CHEN GANG	2	2012–2013
KRAEMER DANIELself	2	2012–2013

Locations

Location	Patents	Span
Cambridge, Massachusetts, US	3	2012–2020
Providence, RI, US	2	2018
Spruce Grove, CA	2	1996–1997
Clearwater, CA	1	1993