Inventor

Klaus-Dieter Ruhland

Inventor
Meckenheim, DE

Overview

43→
Patents
2008–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 43 as inventor

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

B01Dprimary
B01DSeparation49%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof31%
Y10TTechnical subjects covered by former us classification12%
LOC232%
B26DCutting1%
B31FMechanical working or deformation of paper, cardboard or material worked in a manner analogous to paper1%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables1%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1%
PatentTitleYear
11,092,118Filter housing and filter202111,034,122System for producing corrugated cardboard202110,865,749Filter and filter cartridge202010,799,823Housing main part of a filter housing, filter system, and pre-separator module of a filter system202010,408,173Filter element201910,337,471Filter and filter cartridge201910,337,472Filter and filter cartridge201910,293,294Air filter system and air filter element for an air filter system201910,245,541Air filter system, air filter element and method for exchanging an air filter element201910,159,923Hollow filter element, grip device of a hollow filter element, and filter device with at least one hollow filter element201810,138,852Air filter element2018D0834166Filter housing2018D0817468Filter housing20189,657,695'Air filter element'20179,649,585'Filter system with sensor socket'20179,623,358'Filter system having a support tube'20179,587,598'Filter housing and filter assembly'20179,511,317'Air filter system and air filter element for an air filter system'20169,486,729'Air filter element, filter housing and filter arrangement'20169,457,308'Filter element and filter system with a filter element'20169,457,307'Filter system with filter element'20169,358,489'Air filter system, air filter element and method for exchanging an air filter element'20169,314,721'Filter system with seal'20169,254,457'Air filter system, air filter element and method for exchanging an air filter element'20169,233,331'Air filter element'20169,233,333'Filter element'20169,212,636'Filter'20159,205,361'Air filter element, air filter housing and air filter system'20159,205,360'Filter element and housing for a filter element'20159,205,358'Filter element'20159,108,137'Filter arrangement and method for producing a filter receptacle'20158,920,530'Filter element and filter system'20148,864,865'Air filter element, filter housing and filter arrangement'20148,784,522'Air filter system and filter element'20148,591,621'Filter system'20138,523,973'Filter element for fluid filtration, in particular for intake air of internal combustion engines'20138,287,612'Filter element and filter system'20128,216,332'Filter with a filter housing'20128,152,876'Filter element having V-seal'20128,147,576'Filter element having serrated seal'20128,142,533'Filter element and filter system'20127,658,777'Filter element and filter system for the intake air of an internal combustion engine'20107,442,221'Filter element'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2021Patents assigned to MANN & HUMMEL GMBH (42)· patent assignee history
2008–2021Based in Meckenheim, DE· patent location history
2012–2015Patents assigned to RUHLAND KLAUS-DIETER (10)· patent assignee history
2012–2013Patents assigned to GILLENBERG ERIC (5)· patent assignee history
2012–2013Patents assigned to STEINS OLIVER (5)· patent assignee history
2013–2015Patents assigned to KAUFMANN MICHAEL (4)· patent assignee history
2013Based in Mechenheim, DE· patent location history
2014Based in Mackenheim, DE· patent location history
2021Based in Pfreimd, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MANN & HUMMEL GMBH422008–2021
RUHLAND KLAUS-DIETERself102012–2015
GILLENBERG ERIC52012–2013
STEINS OLIVER52012–2013
KAUFMANN MICHAEL42013–2015
Locations
LocationPatentsSpan
Meckenheim, DE402008–2021
Pfreimd, DE12021
Mackenheim, DE12014
Mechenheim, DE12013