Inventor
Stefan Walz
Inventor
Freiberg, DE
Overview
Patents· 29 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation36%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof15%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes13%
B62DMotor vehicles6%
F16LPipes4%
G05BControl or regulating systems in general4%
B23KSoldering or unsoldering2%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles2%
F02BInternal-combustion piston engines2%
F02NStarting of combustion engines2%
PatentTitleYear
10,898,841Filter element, in particular for gas filtration202110,464,007Filter cartridge for a filter apparatus201910,461,665Switch device for an electric motor, control device and steering system201910,325,276Financial reporting system integrating market segment attributes and accounting data201910,311,390Database document generation based on event-based database action recognition201910,300,418Filter insert for a filter device201910,279,298Plate-type filter element for gas filtration201910,279,424Filter device for gas filtration and filter element for a filter device for gas filtration20199,895,640'Filter element for a filter device for gas filtration'20189,486,719'Filter element, device for folding a filter medium web and process for producing a zigzag-folded filter element'20169,151,423'Connecting socket for filter hoses'20158,863,889'Steering system in a vehicle'20148,728,192'Filter housing with replaceable latching element having pre-determined breaking point'20148,409,311'Filtering device'20138,404,015'Filter arrangement'20138,282,700'Filter device for filtration of a fluid'20128,128,721'Intake filter for an internal combustion engine of a motor vehicle'20127,987,297'Electrical field device and method for establishing a data link between a data interface of the electrical field device and a data memory inside the device'20117,945,489'Flexible cost and revenue allocation for service orders'20117,837,755'Extruded seal'20107,799,110'Filter apparatus especially for filtration of combustion air in internal combustion engines'20107,758,677'Filtering device'20107,711,615'Methods, apparatus, systems, computer program products and mediums for use in association with accounting and/or financial analysis'20107,686,126'Electric motor assisted steering apparatus'20107,632,328'Filter apparatus for filtering the air for an internal combustion engine'20097,370,244'User-guided error correction'20087,296,192'Error handling in enterprise information technology systems'20077,072,987'Method for operating and observing field devices'20064,162,668'Diesel internal combustion engine'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2011Based in Berlin, DE· patent location history
2007–2011Patents assigned to SAP AG (4)· patent assignee history
2008–2019Based in Sinzheim, DE· patent location history
2009–2021Patents assigned to MANN & HUMMEL GMBH (17)· patent assignee history
2009–2010Based in Ludwigsburg, DE· patent location history
2010–2019Based in Schwaebisch Gmuend, DE· patent location history
2012–2015Patents assigned to WALZ STEFAN (7)· patent assignee history
2012–2014Patents assigned to JESSBERGER THOMAS (3)· patent assignee history
2012–2021Based in Freiberg, DE· patent location history
2013Patents assigned to EISENGRAEBER-PABST JOBST (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MANN & HUMMEL GMBH | 17 | 2009–2021 |
| WALZ STEFANself | 7 | 2012–2015 |
| SAP AG | 4 | 2007–2011 |
| JESSBERGER THOMAS | 3 | 2012–2014 |
| EISENGRAEBER-PABST JOBST | 2 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Freiberg, DE | 13 | 2012–2021 |
| Sinzheim, DE | 5 | 2008–2019 |
| Ludwigsburg, DE | 4 | 2009–2010 |
| Schwaebisch Gmuend, DE | 3 | 2010–2019 |
| Berlin, DE | 2 | 2006–2011 |