Inventor

David J. Ulrich

Inventor
Sunman, IN, US

Overview

57→
Patents
1991–2020
Patent span
Human necessities
Primary field (CPC A)

Patents· 57 as inventor

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

A61Gprimary
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons34%
C03BManufacture, shaping, or supplementary processes11%
H04LTransmission of digital information, e.g. telegraphic communication7%
G06FElectric digital data processing5%
Y10TTechnical subjects covered by former us classification5%
A47CChairs4%
F21SNon-portable lighting devices4%
F21VFunctional features or details of lighting devices or systems thereof4%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems4%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes4%
PatentTitleYear
10,779,164Mobile device identification using second entity matching202010,299,125System and method for mobile device identification using second entity matching201910,257,703System and method for device identification using third party matching20199,913,141'System and method for improved identification of a mobile device'20189,670,086'Glass manufacturing apparatus and methods'20179,593,033'Glass manufacturing apparatus and method for manufacturing glass sheet'20179,394,193'Active edge roll control in a glass drawing process'20169,315,409'Glass manufacturing apparatus and methods'20169,061,932'Pull roll apparatus for controlling glass sheet tension'20158,683,627'Mattress and bed deck cover'20148,671,478'Mattress and bed deck cover'20148,627,684'Pull roll apparatus and method for controlling glass sheet tension'20148,528,364'Active edge roll control in a glass drawings process'20138,413,274'Hospital bed'20138,146,388'Low friction edge roll to minimize force cycling'2012RE043155'Hospital bed and mattress having a retractable foot section'20127,788,747'Apparatus and method for closing hospital bed gaps'20107,685,841'Method for making a glass sheet'20107,591,034'Apparatus and method for closing hospital bed gaps'20097,523,515'Hospital bed and mattress having a retractable foot section'20097,480,951'Patient care bed with network'20097,409,839'Method and apparatus for making a glass sheet'20087,409,735'Dynamic cellular person support surface'20087,353,557'Mattress section support'20087,293,305'Apparatus and method for mounting hospital bed accessories'20077,222,377'Apparatus and method for closing hospital bed gaps'20077,216,389'Mattress section support'20077,216,384'Hospital bed and mattress having a retractable foot section'20077,213,279'Hospital bed and mattress having extendable foot section'20077,100,222'Apparatus and method for mounting hospital bed accessories'20067,086,107'Mattress section support'20067,028,352'Apparatus and method for closing hospital bed gaps'20067,000,272'Hospital bed and mattress having a retractable foot section'20066,944,791'Method of handling unreadable blocks during write of a RAID device'20056,704,810'Method for handling persistent reservation registrations in a storage device'20046,684,427'Hospital bed and matress having a retractable foot section'20046,499,167'Mattress section support'20026,496,993'Hospital bed and mattress having a retracting foot section'20026,351,863'Heel pressure management apparatus and method'20026,212,714'Hospital bed and mattress having a retracting foot section'20016,163,903'Chair bed'20006,151,739'Heel pressure management apparatus and method'20006,119,291'Percussion and vibration therapy apparatus'20006,047,424'Bed having modular therapy devices'20005,970,789'Method and apparatus for evaluating a support surface'19995,940,910'Step deck for a bed'19995,781,949'Rotational therapy apparatus for a bed'19985,745,937'Support surfaces for a bed'19985,724,685'Step deck for a bed'19985,715,548'Chair bed'19985,692,256'Mattress for a hospital bed'19975,682,631'Bed having a reduced-shear pivot and step deck combination'19975,666,681'Heel pressure management apparatus and method'19975,630,238'Bed with a plurality of air therapy devices, having control modules and an electrical communication network'19975,410,567'Optical fiber draw furnace'19955,061,020'Dishwasher rack channel cap'19915,043,001'Method and apparatus for fiber cooling'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2017Patents assigned to CORNING INC (12)· patent assignee history
1991–2017Based in Burdett, NY, US· patent location history
1997–2001Patents assigned to HILL ROM CO INC (15)· patent assignee history
1997–2014Based in Sunman, IN, US· patent location history
2002–2013Patents assigned to HILL ROM SERVICES INC (20)· patent assignee history
2004–2005Based in Wichita, KS, US· patent location history
2007–2013Patents assigned to ULRICH DAVID J (5)· patent assignee history
2016Based in Burdette, NY, US· patent location history
2018–2020Patents assigned to ACK VENTURES HOLDINGS LLC (4)· patent assignee history
2018–2020Based in New York, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HILL ROM SERVICES INC202002–2013
HILL ROM CO INC151997–2001
CORNING INC121991–2017
ULRICH DAVID Jself52007–2013
ACK VENTURES HOLDINGS LLC42018–2020
Locations
LocationPatentsSpan
Sunman, IN, US381997–2014
Burdett, New York, US111991–2017
New York, New York, US42018–2020
Wichita, KS, US22004–2005
Burdette, New York, US12016