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Inventor

David W. Carroll

Inventor
Grantsburg, WI, US

Overview

63→
Patents
1981–2020
Patent span
Physics
Primary field (CPC G)

Patents· 63 as inventor

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

LOC26primary
LOC2611%
G06FElectric digital data processing7%
G07FCoin-freed or like apparatus6%
F21KNon-electric light sources using luminescence4%
F21VFunctional features or details of lighting devices or systems thereof4%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted4%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers4%
A47JKitchen equipment4%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials4%
H04MTelephonic communication4%
PatentTitleYear
10,556,681Rotary device with integrated power storage202010,506,317Finger-wearable mobile communication device201910,200,773Finger-wearable mobile communication device20199,973,837Finger-wearable mobile communication device20189,709,221'LED-based light bulb device'20179,586,684'Rotary propeller drone with integrated power storage'20179,555,610'LED light bulb with internal flexible heatsink and circuit'2017D0758623'LED bulb'2016D0745708'LED light bulb'2015D0739053'LED light bulb'2015D0739054'LED light bulb'2015D0737476'Six internal element LED bulb'2015D0737475'Three internal element LED bulb'2015D0721446'LED light bulb'2015D0721193'LED light bulb'2015D0721192'LED light bulb'20158,860,289'LED-based light bulb device'2014D0706959'LED light bulb'2014D0700373'LED light bulb'2014D0691290'LED-based light bulb with multiple stems'20138,421,322'LED-based light bulb device'20138,382,138'Hitch assembly for converting a wheelbarrow to a towable trailer'20138,371,722'LED-based light bulb device with Kelvin corrective features'20138,339,248'Automated audio operation support device and methods'20128,271,005'Mobile communication device and system with limited data transfer'2012D0664685'LED-based light bulb with power groove'2012D0664684'LED-based light bulb'2012D0654602'LED-based light'20128,118,435'Multiple projector image overlay systems'20128,013,501'LED-based light bulb device'2011D0639260'Hand-held mobile communication device'20117,920,902'Mobile personal audio device'20117,521,007'Methods and apparatuses for the development of microstructured nuclear fuels'20097,312,981'Mobile, hand-held personal computer'20076,426,314'Hydrogen scavengers'20026,285,757'Interactive devices and methods'20016,271,477'Long-lasting flexible circuitry'20016,249,427'Wearable computer packaging configurations'20016,121,960'Touch screen systems and methods'20006,097,607'Flexible computer system'20006,057,966'Body-carryable display devices and systems using E.G. coherent fiber optic conduit'20005,991,086'Inflatable optical housing'19995,981,827'Carbon based prosthetic devices'1999D0414928'Wearable computer'19995,783,335'Fluidized bed deposition of diamond'19985,572,401'Wearable personal computer system having flexible battery forming casing of the system'19965,555,490'Wearable personal computer system'19965,491,956'Variable stretch detackification adhesive tape unitizer system'19965,413,231'Bottle handle'19955,353,847'Food dispenser, dispenser container and method'19945,282,498'Prod dispenser, dispenser container and method'19945,249,914'Food transport fixture and method'1993D0337021'Automated food frying machine'19935,206,814'Robotic music store'19935,191,918'Food dispenser and method'19935,172,328'Food preparation system and method'19925,132,914'Food preparation system and method'19925,104,002'Food dispenser and method'19924,979,864'Basket emptying apparatus, locating device and method'19904,936,647'High tensile strength compacted towing cable with signal transmission element'19904,922,435'Food preparation robot'19904,778,246'High tensile strength compacted towing cable with signal transmission element and method of making the same'19884,265,982'Coated woven materials and method of preparation'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2009Based in Los Alamos, NM, US· patent location history
1988–1990Based in Doylestown, PA, US· patent location history
1990–1994Patents assigned to RESTAURANT TECHNOLOGY (9)· patent assignee history
1990–1994Based in Cannon Falls, MN, US· patent location history
1995–2001Based in Northfield, MN, US· patent location history
1999–2001Patents assigned to VIA INC (8)· patent assignee history
2007–2020Patents assigned to CARROLL DAVID W (17)· patent assignee history
2011–2017Patents assigned to FOREVER BULB LLC (21)· patent assignee history
2011–2020Based in Grantsburg, WI, US· patent location history
2012–2013Patents assigned to CARROLL WENDELL (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FOREVER BULB LLC212011–2017
CARROLL DAVID Wself172007–2020
RESTAURANT TECHNOLOGY91990–1994
VIA INC81999–2001
CARROLL WENDELL42012–2013
Locations
LocationPatentsSpan
Grantsburg, WI, US322011–2020
Northfield, Minnesota, US121995–2001
Cannon Falls, Minnesota, US111990–1994
Los Alamos, NM, US51981–2009
Doylestown, Pennsylvania, US21988–1990