Marra; Johan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Marra; Johan.The latest application filed is for "gas filtration system and method".
Company Profile
2.22.30
- Marra; Johan - Eindhoven NL
- Marra; Johan - Einhoven NL
Patent Activity
| Patent | Date |
|---|---|
| Particle sensor and sensing method Grant 10,859,485 - Marra December 8, 2 | 2020-12-08 |
| Cleaning device for cleaning an air-ionizing part of an electrode Grant 10,710,098 - Marra | 2020-07-14 |
| Air humidification and/or purification Grant 10,364,994 - Kelly , et al. July 30, 2 | 2019-07-30 |
| Coffee dispensing apparatus Grant 10,299,623 - Zeijlstra , et al. | 2019-05-28 |
| Gas Filtration System And Method App 20180283707 - SCHEJA; MICHAEL MARTIN ; et al. | 2018-10-04 |
| Air Humidification And/or Purification App 20180274804 - KELLY; DECLAN PATRICK ; et al. | 2018-09-27 |
| Gas Filtration System And Method App 20180236399 - MARRA; JOHAN | 2018-08-23 |
| Particle Sensor And Sensing Method App 20180217046 - MARRA; JOHAN | 2018-08-02 |
| Surface Treatment Device App 20180185530 - RONDA; CORNELIS REINDER ; et al. | 2018-07-05 |
| Apparatus for gas cleaning Grant 9,943,800 - Marra April 17, 2 | 2018-04-17 |
| Pleated Filter Structure For Air Cleaning And Air Filtering Method App 20170326493 - MARRA; JOHAN ; et al. | 2017-11-16 |
| Coffee Dispensing Apparatus App 20170156542 - ZEIJLSTRA; HARMINA CHRISTINA ; et al. | 2017-06-08 |
| Air Quality Alert System And Method App 20170154517 - ALIAKSEYEU; DZMITRY VIKTOROVICH ; et al. | 2017-06-01 |
| Cleaning Device For Cleaning An Air-ionizing Part Of An Electrode App 20170144167 - MARRA; JOHAN | 2017-05-25 |
| Cleaning device for cleaning the air-ionizing part of an electrode Grant 9,579,664 - Marra February 28, 2 | 2017-02-28 |
| Gas sensing apparatus Grant 9,417,207 - Marra , et al. August 16, 2 | 2016-08-16 |
| Coffee Machine For Providing Coffee Brew With Reduced Caffeine Content App 20160192806 - PIKKEMAAT; JEROEN ALPHONS ; et al. | 2016-07-07 |
| An Apparatus For Gas Cleaning App 20160166974 - MARRA; JOHAN | 2016-06-16 |
| Method And Device For Grinding Coffee Beans App 20150122131 - Te Velde; Mart Kornelis-Jan ; et al. | 2015-05-07 |
| Gas Sensing Apapratus App 20140174154 - Marra; Johan ; et al. | 2014-06-26 |
| Cleaning Device For Cleaning The Air-ionizing Part Of An App 20140130675 - Marra; Johan | 2014-05-15 |
| Device for characterizing the evolution over time of a size distribution of electrically-charged airborne particles in an airflow Grant 8,701,466 - Marra April 22, 2 | 2014-04-22 |
| Device for characterizing a size distribution of electrically-charged airborne particles in an air flow Grant 8,627,733 - Marra January 14, 2 | 2014-01-14 |
| Controlling system for controlling an air handling system Grant 8,452,489 - Marra May 28, 2 | 2013-05-28 |
| Air pollution sensor system Grant 8,402,815 - Marra March 26, 2 | 2013-03-26 |
| Electrostatic particle filter Grant 8,123,840 - Marra February 28, 2 | 2012-02-28 |
| Device For Characterizing The Evolution Over Time Of A Size Distribution Of Electrically-charged Airborne Particles In An Airflow App 20110197656 - Marra; Johan | 2011-08-18 |
| Air pollution sensor system Grant 7,857,892 - Marra December 28, 2 | 2010-12-28 |
| Cooling device for a light-emitting semiconductor device and a method of manufacturing such a cooling device Grant 7,855,449 - De Graff , et al. December 21, 2 | 2010-12-21 |
| Ultra fine particle sensor Grant 7,836,751 - Marra November 23, 2 | 2010-11-23 |
| Device For Characterizing A Size Distribution Of Electrically-charged Airborne Particles In An Air Flow App 20100282006 - Marra; Johan | 2010-11-11 |
| Device For Characterizing A Size Distribution Of Electrically-charged Airborne Particles In An Air Flow App 20100269600 - Marra; Johan | 2010-10-28 |
| Light engine Grant 7,722,211 - Marra , et al. May 25, 2 | 2010-05-25 |
| Air Pollution Sensor System App 20100107739 - Marra; Johan | 2010-05-06 |
| Ultra Fine Particle Sensor App 20100043527 - Marra; Johan | 2010-02-25 |
| Electrostatic Particle Filter App 20100011959 - Marra; Johan | 2010-01-21 |
| Controlling System For Controlling An Air Handling System App 20090312905 - Marra; Johan | 2009-12-17 |
| Electric Lamp And Interference Film App 20090236960 - Van Grootel; Margot ; et al. | 2009-09-24 |
| Manually Operable Water Purifying Device App 20080251434 - Marra; Johan | 2008-10-16 |
| Lighting Device App 20080198292 - Marra; Johan ; et al. | 2008-08-21 |
| Cooling Device for a Light-Emitting Semiconductor Device and a Method of Manufacturing Such a Cooling Device App 20080191236 - De Graaf; Jan ; et al. | 2008-08-14 |
| Light Engine App 20080094835 - Marra; Johan ; et al. | 2008-04-24 |
| Air Pollution Sensor System App 20080092742 - Marra; Johan | 2008-04-24 |
| Air Pollution Sensor System App 20080041138 - Marra; Johan | 2008-02-21 |
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