Ruhland; Klaus-Dieter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ruhland; Klaus-Dieter.The latest application filed is for "filter element, element frame of a filter element, filter bellows of a filter element, filter housing, and filter".
Company Profile
9.52.55
- Ruhland; Klaus-Dieter - Meckenheim DE
- - Meckenheim DE
- Ruhland; Klaus-Dieter - Mackenheim DE
- Ruhland; Klaus-Dieter - Mechenheim N/A DE
Patent Activity
| Patent | Date |
|---|---|
| Filter Element, Element Frame of a Filter Element, Filter Bellows of a Filter Element, Filter Housing, and Filter App 20220266184 - Kaufmann; Michael ; et al. | 2022-08-25 |
| Filter device Grant 11,311,890 - Schmitt , et al. April 26, 2 | 2022-04-26 |
| Multi-cyclone separator of a multi-stage fluid filter for cleaning gaseous fluid and multi-stage fluid filter Grant 11,311,891 - Ruhland , et al. April 26, 2 | 2022-04-26 |
| Filter Element and Filter System App 20220088528 - Kaufmann; Michael ; et al. | 2022-03-24 |
| Filter element, element frame of a filter element, filter bellows of a filter element, filter housing, and filter Grant 11,273,402 - Kaufmann , et al. March 15, 2 | 2022-03-15 |
| Particle Discharge Device, Filter Assembly, and Method App 20210299601 - Ruhland; Klaus-Dieter ; et al. | 2021-09-30 |
| Filter housing and filter Grant 11,092,118 - Ruhland , et al. August 17, 2 | 2021-08-17 |
| Filter and Filter Cartridge App 20210172409 - Kaufmann; Michael ; et al. | 2021-06-10 |
| Secondary Filter Element and Filter Arrangement App 20210131389 - Stark; Dennis ; et al. | 2021-05-06 |
| Filter and filter cartridge Grant 10,961,957 - Kaufmann , et al. March 30, 2 | 2021-03-30 |
| Filter and filter cartridge Grant 10,954,899 - Kaufmann , et al. March 23, 2 | 2021-03-23 |
| Filter and filter cartridge Grant 10,865,749 - Kaufmann , et al. December 15, 2 | 2020-12-15 |
| Housing main part of a filter housing, filter system, and pre-separator module of a filter system Grant 10,799,823 - Kaufmann , et al. October 13, 2 | 2020-10-13 |
| Multi-Cyclone Separator of a Multi-Stage Fluid Filter for Cleaning Gaseous Fluid and Multi-Stage Fluid Filter App 20200030821 - Ruhland; Klaus-Dieter ; et al. | 2020-01-30 |
| Filter Device App 20200030820 - Schmitt; Juergen ; et al. | 2020-01-30 |
| Filter and Filter Cartridge App 20190353122 - Kaufmann; Michael ; et al. | 2019-11-21 |
| Filter and Filter Cartridge App 20190353123 - Kaufmann; Michael ; et al. | 2019-11-21 |
| Filter and Filter Cartridge App 20190293034 - Kaufmann; Michael ; et al. | 2019-09-26 |
| Filter element Grant 10,408,173 - Kaufmann , et al. Sept | 2019-09-10 |
| Filter and filter cartridge Grant 10,337,472 - Kaufmann , et al. | 2019-07-02 |
| Filter and filter cartridge Grant 10,337,471 - Kaufmann , et al. | 2019-07-02 |
| Air filter system and air filter element for an air filter system Grant 10,293,294 - Ruhland , et al. | 2019-05-21 |
| Filter Element, in Particular for Gas Filtration App 20190134549 - Klein; Martin ; et al. | 2019-05-09 |
| Air filter system, air filter element and method for exchanging an air filter element Grant 10,245,541 - Kaufmann , et al. | 2019-04-02 |
| Hollow filter element, grip device of a hollow filter element, and filter device with at least one hollow filter element Grant 10,159,923 - Ruhland , et al. Dec | 2018-12-25 |
| Filter Housing and Filter App 20180363598 - Ruhland; Klaus-Dieter ; et al. | 2018-12-20 |
| Filter Element, Element Frame of a Filter Element, Filter Bellows of a Filter Element, Filter Housing, and Filter App 20180339254 - Kaufmann; Michael ; et al. | 2018-11-29 |
| Air filter element Grant 10,138,852 - Kaufmann , et al. Nov | 2018-11-27 |
| Filter housing Grant D834,166 - Ruhland , et al. November 20, 2 | 2018-11-20 |
| Filter housing Grant D817,468 - Ruhland , et al. May 8, 2 | 2018-05-08 |
| Housing Main Part of a Filter Housing, Filter System, and Pre-Separator Module of a Filter System App 20170304760 - Kaufmann; Michael ; et al. | 2017-10-26 |
| Air filter element App 20170276100 - Kaufmann; Michael ; et al. | 2017-09-28 |
| Air filter element Grant 9,657,695 - Kaufmann , et al. May 23, 2 | 2017-05-23 |
| Filter system with sensor socket Grant 9,649,585 - Steins , et al. May 16, 2 | 2017-05-16 |
| Filter system having a support tube Grant 9,623,358 - Kaufmann , et al. April 18, 2 | 2017-04-18 |
| Filter and Filter Cartridge App 20170096972 - Kaufmann; Michael ; et al. | 2017-04-06 |
| Filter and Filter Cartridge App 20170096971 - Kaufmann; Michael ; et al. | 2017-04-06 |
| Filter and Filter Cartridge App 20170096973 - Kaufmann; Michael ; et al. | 2017-04-06 |
| Filter housing and filter assembly Grant 9,587,598 - Kaufmann , et al. March 7, 2 | 2017-03-07 |
| Air filter system and air filter element for an air filter system App 20170036155 - Ruhland; Klaus-Dieter ; et al. | 2017-02-09 |
| Air filter system and air filter element for an air filter system Grant 9,511,317 - Ruhland , et al. December 6, 2 | 2016-12-06 |
| Air filter element, filter housing and filter arrangement Grant 9,486,729 - Kaufmann , et al. November 8, 2 | 2016-11-08 |
| Filter system with filter element Grant 9,457,307 - Kaufmann , et al. October 4, 2 | 2016-10-04 |
| Filter element and filter system with a filter element Grant 9,457,308 - Kaufmann , et al. October 4, 2 | 2016-10-04 |
| Air filter system, air filter element and method for exchanging an air filter element App 20160279554 - Kaufmann; Michael ; et al. | 2016-09-29 |
| Hollow Filter Element, Grip Device of a Hollow Filter Element, and Filter Device with at Least One Hollow Filter Element App 20160220935 - Ruhland; Klaus-Dieter ; et al. | 2016-08-04 |
| Filter Element App 20160201619 - Kaufmann; Michael ; et al. | 2016-07-14 |
| Air filter system, air filter element and method for exchanging an air filter element Grant 9,358,489 - Kaufmann , et al. June 7, 2 | 2016-06-07 |
| Filter system with seal Grant 9,314,721 - Kaufmann , et al. April 19, 2 | 2016-04-19 |
| Air filter system, air filter element and method for exchanging an air filter element Grant 9,254,457 - Kaufmann , et al. February 9, 2 | 2016-02-09 |
| Filter element Grant 9,233,333 - Kaufmann , et al. January 12, 2 | 2016-01-12 |
| Air filter element Grant 9,233,331 - Kaufmann , et al. January 12, 2 | 2016-01-12 |
| Filter Grant 9,212,636 - Kaufmann , et al. December 15, 2 | 2015-12-15 |
| Air filter element, air filter housing and air filter system Grant 9,205,361 - Menssen , et al. December 8, 2 | 2015-12-08 |
| Filter element Grant 9,205,358 - Kaufmann , et al. December 8, 2 | 2015-12-08 |
| Filter element and housing for a filter element Grant 9,205,360 - Kaufmann , et al. December 8, 2 | 2015-12-08 |
| Filter arrangement and method for producing a filter receptacle Grant 9,108,137 - Kaufmann , et al. August 18, 2 | 2015-08-18 |
| Filter Housing and Filter Assembly App 20150176544 - Kaufmann; Michael ; et al. | 2015-06-25 |
| Filter Element and Filter System Having a Filter Element App 20150082982 - Ruhland; Klaus-Dieter ; et al. | 2015-03-26 |
| Filter Element and Filter System with a Filter Element App 20150059296 - Kaufmann; Michael ; et al. | 2015-03-05 |
| Filter System Having a Support Tube App 20150059302 - Kaufmann; Michael ; et al. | 2015-03-05 |
| Filter System with Seal App 20150060351 - Kaufmann; Michael ; et al. | 2015-03-05 |
| Filter system with sensor socket App 20150059584 - Steins; Oliver ; et al. | 2015-03-05 |
| Filter system with filter element App 20150059301 - Kaufmann; Michael ; et al. | 2015-03-05 |
| Air filter system and air filter element for an air filter system App 20150059297 - Ruhland; Klaus-Dieter ; et al. | 2015-03-05 |
| Filter Element and Filter System with a Filter Element App 20150059304 - Kaufmann; Michael ; et al. | 2015-03-05 |
| Air Filter Element, Filter Housing and Filter Arrangement App 20150013281 - KAUFMANN; Michael ; et al. | 2015-01-15 |
| Filter element and filter system Grant 08920530 - | 2014-12-30 |
| Filter element and filter system Grant 8,920,530 - Ruhland , et al. December 30, 2 | 2014-12-30 |
| Air filter element, filter housing and filter arrangement Grant 8,864,865 - Kaufmann , et al. October 21, 2 | 2014-10-21 |
| Filter Body App 20140223869 - Kaufmann; Michael ; et al. | 2014-08-14 |
| Filter Element App 20140224129 - Kaufmann; Michael ; et al. | 2014-08-14 |
| Filter Element App 20140223870 - Kaufmann; Michael ; et al. | 2014-08-14 |
| Air filter element App 20140223868 - Kaufmann; Michael ; et al. | 2014-08-14 |
| Air filter element App 20140223874 - Kaufmann; Michael ; et al. | 2014-08-14 |
| Air filter system and filter element Grant 8,784,522 - Menssen , et al. July 22, 2 | 2014-07-22 |
| Air filter system, air filter element and method for exchanging an air filter element App 20140165834 - Kaufmann; Michael ; et al. | 2014-06-19 |
| Filter App 20140109532 - Kaufmann; Michael ; et al. | 2014-04-24 |
| Air filter system, air filter element and method for exchanging an air filter element App 20140102058 - Kaufmann; Michael ; et al. | 2014-04-17 |
| Filter Arrangement and Method for Producing a Filter Receptacle App 20140059986 - Kaufmann; Michael ; et al. | 2014-03-06 |
| Air filter element, air filter housing and air filter system App 20140047808 - Menssen; Joerg ; et al. | 2014-02-20 |
| Air filter system and filter element App 20130327005 - Menssen; Joerg ; et al. | 2013-12-12 |
| Filter system Grant 8,591,621 - Ruhland , et al. November 26, 2 | 2013-11-26 |
| Filter element for fluid filtration, in particular for intake air of internal combustion engines Grant 8,523,973 - Ackermann , et al. September 3, 2 | 2013-09-03 |
| Filter Element for Fluid Filtration, in Particular for Intake Air of Internal Combustion Engines App 20120324849 - Ackermann; Steffen ; et al. | 2012-12-27 |
| Filter element and housing for a filter element App 20120317943 - KAUFMANN; Michael ; et al. | 2012-12-20 |
| Air Filter Element, Filter Housing and Filter Arrangement App 20120317939 - KAUFMANN; Michael ; et al. | 2012-12-20 |
| Filter element and filter system Grant 8,287,612 - Gillenberg , et al. October 16, 2 | 2012-10-16 |
| Filter Element And Filter System App 20120210683 - Gillenberg; Eric ; et al. | 2012-08-23 |
| Filter with a filter housing Grant 8,216,332 - Kopec , et al. July 10, 2 | 2012-07-10 |
| Filter element having V-seal Grant 8,152,876 - Gillenberg , et al. April 10, 2 | 2012-04-10 |
| Filter element having serrated seal Grant 8,147,576 - Gillenberg , et al. April 3, 2 | 2012-04-03 |
| Filter element and filter system Grant 8,142,533 - Gillenberg , et al. March 27, 2 | 2012-03-27 |
| Filter Element and Filter System App 20110308212 - Ruhland; Klaus-Dieter ; et al. | 2011-12-22 |
| Filter System App 20110094197 - Ruhland; Klaus-Dieter ; et al. | 2011-04-28 |
| Filter Element Having V-Seal App 20100275559 - Steins; Oliver ; et al. | 2010-11-04 |
| Filter Element and Filter System App 20100263339 - Steins; Oliver ; et al. | 2010-10-21 |
| Filter Element Having Serrated Seal App 20100229511 - Steins; Oliver ; et al. | 2010-09-16 |
| Filter with a Filter Housing App 20100154368 - Kopec; Edvard ; et al. | 2010-06-24 |
| Filter element and filter system for the intake air of an internal combustion engine Grant 7,658,777 - Kopec , et al. February 9, 2 | 2010-02-09 |
| Filter element Grant 7,442,221 - Ruhland , et al. October 28, 2 | 2008-10-28 |
| Filter element and filter system for the intake air of an internal combustion engine App 20070175187 - Kopec; Edvard ; et al. | 2007-08-02 |
| Filter element App 20070006560 - Ruhland; Klaus-Dieter ; et al. | 2007-01-11 |
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