Inventor

Hal P. Greenberger

Inventor
Natick, MA, US

Overview

31→
Patents
1991–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 31 as inventor

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

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers39%
H04SStereophonic systems16%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for9%
A61BDiagnosis5%
H04BTransmission5%
H02JElectric power networks4%
A01BSoil working in agriculture or forestry2%
A47LDomestic washing or cleaning2%
B08BCleaning in general2%
B25GHandles for hand implements2%
PatentTitleYear
10,710,122Material removal from surfaces202010,440,871Ergonomic material moving2019D0840124Ice scraper20199,615,179'Hearing assistance'20179,179,237'Virtual audio system tuning'20159,055,370'Vibration-reducing passive radiators'20158,699,719'Personal acoustic device position determination'20148,594,358'Passive acoustical radiating'20138,325,931'Detecting a loudspeaker configuration'20128,243,141'Adjusting a content rendering system based on user occupancy'20128,238,567'Personal acoustic device position determination'20128,126,187'Vehicle audio system including door-mounted components'20128,031,896'Passive acoustic radiating'20117,983,436'Baffle vibration reducing'20117,957,540'Automobile audio system'20117,888,907'Controlled charging and use of power source'20117,880,330'Controlling a power converter'20117,724,909'Automobile audio system'20107,565,948'Acoustic waveguiding'20097,561,706'Reproducing center channel information in a vehicle multichannel audio system'20097,519,188'Electroacoustical transducing'20097,483,539'Automobile audio system'20097,133,533'Passive acoustic radiating'20066,985,593'Baffle vibration reducing'20066,028,942'Stethoscope with reduced susceptibility to interference from ambient noise'20005,883,339'Vibration isolation mount for a stethoscope chestpiece, and methods of using same'19995,870,484'Loudspeaker array with signal dependent radiation pattern'19995,708,719'In-home theater surround sound speaker system'19985,492,129'Noise-reducing stethoscope'19965,170,435'Waveguide electroacoustical transducing'19925,014,323'Voice coil lead dressing'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2017Patents assigned to BOSE CORP (21)· patent assignee history
1991–2000Based in Hopedale, MA, US· patent location history
1992Based in Framingham, MA, US· patent location history
2006–2011Based in Milford, MA, US· patent location history
2010–2020Patents assigned to GREENBERGER HAL P (7)· patent assignee history
2010–2012Patents assigned to LUDWIG CHRISTOPHER (2)· patent assignee history
2010–2020Based in Natick, MA, US· patent location history
2012–2015Patents assigned to GREENBERGER HAL (5)· patent assignee history
2012–2014Patents assigned to GAUGER JR DANIEL M (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOSE CORP211991–2017
GREENBERGER HAL Pself72010–2020
GREENBERGER HALself52012–2015
GAUGER JR DANIEL M22012–2014
LUDWIG CHRISTOPHER22010–2012
Locations
LocationPatentsSpan
Natick, Massachusetts, US172010–2020
Milford, Massachusetts, US72006–2011
Hopedale, Massachusetts, US61991–2000
Framingham, Massachusetts, US11992