Inventor
Wolfgang Layher
Inventor
Besigheim, DE
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Bprimary
F02BInternal-combustion piston engines20%
F02DControlling combustion engines15%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof10%
F02PIgnition, other than compression ignition, for internal-combustion engines7%
A01DHarvesting5%
B23DPlaning5%
B24BMachines, devices, or processes for grinding or polishing5%
F16KValves5%
Y10TTechnical subjects covered by former us classification5%
B01DSeparation2%
PatentTitleYear
10,920,901Electromagnetic valve202110,145,346Electromagnetic fuel valve20189,534,528'Internal combustion engine with fuel system'20179,273,658'Handheld work apparatus and suction head for connection to a fuel line in a handheld work apparatus'20169,175,594'Power tool'20158,668,025'Hand-guided work apparatus'20148,322,326'Method for operating an internal combustion engine'20128,062,100'Water supply for a hand-held power tool'20118,042,511'Method and device for priming a fuel metering device'20117,974,767'Method for detecting operating parameters of a power tool comprising an internal combustion engine'20117,836,545'Manually guided suction apparatus'20107,814,888'Method for operating an internal combustion engine'20107,713,111'Water supply for a hand-held power tool'20107,621,176'Method for determining the crankshaft position of a rotating crankshaft of an internal combustion engine'20097,591,378'Manually guided apparatus for collecting fruits or nuts'20097,552,714'Ignition device for an internal combustion engine and method for its operation'20097,536,983'Internal combustion engine and method for operating an internal combustion engine'20097,441,304'Vacuum arrangement for a ground area'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2021Patents assigned to STIHL AG & CO KG ANDREAS (18)· patent assignee history
2008–2011Based in Waiblingen, DE· patent location history
2009–2021Based in Besigheim, DE· patent location history
2011–2014Patents assigned to LAYHER WOLFGANG (3)· patent assignee history
2011Patents assigned to BERBIG FRANK (1)· patent assignee history
2012Patents assigned to DANGELMAIER MANUEL (1)· patent assignee history
2012Patents assigned to GEGG TIM (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| STIHL AG & CO KG ANDREAS | 18 | 2008–2021 |
| LAYHER WOLFGANGself | 3 | 2011–2014 |
| BERBIG FRANK | 1 | 2011 |
| DANGELMAIER MANUEL | 1 | 2012 |
| GEGG TIM | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Besigheim, DE | 11 | 2009–2021 |
| Waiblingen, DE | 7 | 2008–2011 |