LexDanaLexDanabeta
Inventor

Thomas Lehnert

Inventor
Oberraden, DE

Overview

82→
Patents
2008–2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 82 as inventor

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

E21Cprimary
E21CMining or quarrying25%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like20%
B28DWorking stone or stone-like materials14%
LOC1512%
Y10TTechnical subjects covered by former us classification6%
E02FDredging5%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding4%
LOC084%
E21BEarth or rock drilling2%
B23PMetal-working not otherwise provided for2%
PatentTitleYear
10,968,577Tool combination having a chisel holder and two chisels202110,968,740Interchangeable chisel holder202110,801,322Cutting device202010,724,188Earth working machine having a rotatable working apparatus axially positionally retainable with high tightening torque by means of a central bolt arrangement, and method for establishing and releasing such retention202010,724,186Earth working machine whose rotatable working apparatus, for installation on the machine, is conveyable into its operating position using an onboard actuator202010,724,187Earth working machine whose working apparatus is displaceable out of its operating position using an onboard actuator202010,563,363Scraper bar for a scraper blade of a road milling machine202010,508,541Milling machine and method for operating a milling machine201910,407,850Ejector unit for a road milling machine or the like201910,378,350Milling machine and process for the operation of a milling machine201910,352,164Bit holder and base part for receiving a bit holder201910,273,804Chisel holder201910,227,870Chisel201910,208,593Chisel holder for a soil treatment machine201910,167,721Milling machine and method for operating a milling machine201910,046,479Tool holder and combination of a tool holder and tool2018D0819098Chisel2018D0808449'Chisel'20189,803,325'Ejector unit for a road milling machine or the like'20179,797,246'Chisel holder'20179,765,620'Chisel holder'2017D0797536'Chisel holder'20179,765,619'Tool'2017D0796930'Chisel holder'2017D0796929'Chisel holder'20179,739,145'Chisel holder for a soil treatment machine'20179,719,348'Chisel holder'20179,709,766'Cable management system including splitter/filter tray'2017D0766501'Pipe'20169,399,843'Automotive road milling machine'20169,399,914'Tool holder'20169,376,911'Chisel holder, and chisel holder system comprising a chisel holder and a base part'20169,334,733'Bit holder and base part for receiving a bit holder'20169,284,698'Ejector unit for a road milling machine or the like'20169,267,373'Chisel holder and lower tool part for a chisel holder'20169,260,965'Chisel holder for a soil treatment machine'20169,234,424'Bit, in particular a round shaft bit'20169,228,434'Chisel holder'20169,222,354'Tool system'20159,163,502'Chisel holder, and chisel holder system comprising a chisel holder and a base part'20159,157,320'Tool for removing a chisel'20159,151,157'Chisel holder'20159,144,922'Shank-type pick'20159,111,149'Biometric identification and analysis'20159,109,444'Tool'20159,074,472'Bit, in particular a round shaft bit'20159,068,302'Mixer bar for a stabilizer/recycler'20159,058,035'Precise ascertainment of actuating position for a motor-driven vehicle part'20158,985,702'Automotive road milling machine'2015D0711442'Chisel holder'2014D0711443'Chisel holder'20148,783,785'Chisel holder having a weld as a wear protection element'20148,746,807'Bit holder and base part for receiving a bit holder'20148,746,806'Bit holder and base part'2014D0692040'Chisel holder'2013D0692039'Chisel holder'2013D0692037'Chisel holder'2013D0692038'Chisel holder'20138,554,536'Information operations support system, method, and computer program product'20138,550,569'Shank chisel'20138,469,456'Ejector unit for a road milling machine or the like'2013D0677285'Chisel holder bar'2013D0671578'Chisel holder'2012D0669505'Chisel holder bar'20128,286,316'Tool for removing a chisel'2012D0666641'Chisel holder'2012D0666642'Chisel holder'2012D0666643'Chisel holder'2012D0666226'Chisel holder'20128,181,322'Tool for removing a chisel'20128,118,369'Milling drum for a construction machine, construction machine as well as gearbox unit for a milling drum'20128,099,847'Tool'20127,929,733'Biometric identification and analysis'20117,901,011'Milling drum for a construction machine, construction machine as well as gearbox unit for a milling drum'2011D0632703'Kicker plate'2011D0628602'Kicker plate'2010D0624942'Kicker plate'2010D0624941'Kicker plate'2010D0624940'Kicker plate'2010D0585259'Chisel holder'2009D0575610'Chisel holder'2008D0574689'Chisel holder'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2021Patents assigned to WIRTGEN GMBH (73)· patent assignee history
2008–2021Based in Oberraden, DE· patent location history
2011–2015Based in Herndon, VA, US· patent location history
2012–2016Patents assigned to LEHNERT THOMAS (28)· patent assignee history
2012–2016Patents assigned to BARIMANI CYRUS (18)· patent assignee history
2012–2016Patents assigned to BUHR KARSTEN (17)· patent assignee history
2012–2015Patents assigned to HAEHN GUENTER (14)· patent assignee history
2016Based in Nuremberg, DE· patent location history
2017Based in Olching, DE· patent location history
2020Based in Oberraderb, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WIRTGEN GMBH732008–2021
LEHNERT THOMASself282012–2016
BARIMANI CYRUS182012–2016
BUHR KARSTEN172012–2016
HAEHN GUENTER142012–2015
Locations
LocationPatentsSpan
Oberraden, DE752008–2021
Herndon, Virginia, US32011–2015
Oberraderb, DE12020
Olching, DE12017
Nuremberg, DE12016