Engelhard; Rolf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Engelhard; Rolf.The latest application filed is for "high intensity air purifier".
Company Profile
0.31.34
- Engelhard; Rolf - Prescott AZ
- Engelhard; Rolf - Las Vegas NV
Patent Activity
| Patent | Date |
|---|---|
| High efficiency ultra-violet reactor Grant 10,449,265 - Engelhard Oc | 2019-10-22 |
| Air purifier Grant D843,554 - Engelhard | 2019-03-19 |
| High Intensity Air Purifier App 20180126028 - Engelhard; Rolf | 2018-05-10 |
| Venturi bypass system and associated methods Grant 9,931,601 - Engelhard , et al. April 3, 2 | 2018-04-03 |
| High intensity air purifier Grant 9,855,362 - Engelhard January 2, 2 | 2018-01-02 |
| Air Purification System App 20170080373 - Engelhard; Rolf | 2017-03-23 |
| Photo-catalyzing Fluid Mobilizing Systema Nd Method App 20170035926 - Engelhard; Rolf | 2017-02-09 |
| High Efficiency Ultra-Violet Reactor App 20170007736 - Engelhard; Rolf | 2017-01-12 |
| High Intensity Air Purifier App 20160339137 - ENGELHARD; ROLF | 2016-11-24 |
| Photo-catalyzing fluid mobilizing system and method Grant 9,408,937 - Engelhard August 9, 2 | 2016-08-09 |
| High intensity air purifier Grant 9,402,931 - Engelhard August 2, 2 | 2016-08-02 |
| Combined Ultraviolet and Ozone Fluid Sterilization System App 20160122208 - Denkewicz; Ray ; et al. | 2016-05-05 |
| Photo-Catalyzing Fluid Mobilizing System And Method App 20160038625 - Engelhard; Rolf | 2016-02-11 |
| Venturi By-Pass System And Associated Methods App 20160025117 - Engelhard; Rolf ; et al. | 2016-01-28 |
| Photo-catalyzing fluid mobilizing system and method Grant 9,162,903 - Engelhard October 20, 2 | 2015-10-20 |
| Air purifier Grant D714,923 - Engelhard , et al. October 7, 2 | 2014-10-07 |
| High Intensity Air Purifier App 20140227140 - Engelhard; Rolf | 2014-08-14 |
| High intensity air purifier Grant 8,734,724 - Engelhard May 27, 2 | 2014-05-27 |
| Dynamic Ultraviolet Lamp Ballast System App 20130309131 - Engelhard; Rolf | 2013-11-21 |
| High Intensity Air Purifier App 20130028797 - Engelhard; Rolf | 2013-01-31 |
| High intensity air purifier Grant 8,277,735 - Engelhard October 2, 2 | 2012-10-02 |
| Toilet tank mounted odor eliminator Grant 8,161,579 - Denkewicz, Jr. , et al. April 24, 2 | 2012-04-24 |
| High Intensity Air Purifier App 20120003126 - Engelhard; Rolf | 2012-01-05 |
| Apparatus and method for purifying water in a storage tank Grant 8,066,941 - Denkewicz, Jr. , et al. November 29, 2 | 2011-11-29 |
| Apparatus and method for removing arsenic and inorganic compositions from water Grant 8,066,940 - Denkewicz, Jr. , et al. November 29, 2 | 2011-11-29 |
| Pressurized UV/O3 Water Purification System App 20110247972 - Engelhard; Rolf | 2011-10-13 |
| Photo-catalyzing Fluid Mobilizing System And Method App 20110240566 - ENGELHARD; ROLF | 2011-10-06 |
| High intensity air purifier Grant 8,017,073 - Engelhard September 13, 2 | 2011-09-13 |
| Apparatus and method for treating water with ozone Grant 7,794,608 - Denkewicz, Jr. , et al. September 14, 2 | 2010-09-14 |
| High Intensity Air Purifier App 20100143205 - ENGELHARD; ROLF | 2010-06-10 |
| Apparatus And Method For Treating Water With Ozone App 20090001029 - DENKEWICZ, JR.; RAYMOND P. ; et al. | 2009-01-01 |
| Apparatus And Method For Removing Arsenic And Inorganic Compositions From Water App 20080302735 - Denkewicz, JR.; Raymond P. ; et al. | 2008-12-11 |
| Apparatus And Method For Purifying Water In A Storage Tank App 20080302737 - DENKEWICZ, JR.; RAYMOND P. ; et al. | 2008-12-11 |
| Apparatus And Method For Preventing Biological Regrowth In Water App 20080142452 - DENKEWICZ; RAYMOND P. ; et al. | 2008-06-19 |
| Pressurized Uv/o3 Water Purification System App 20080008632 - Engelhard; Rolf | 2008-01-10 |
| Toilet Tank Mounted Odor Eliminator App 20070234469 - DENKEWICZ; RAYMOND P. JR. ; et al. | 2007-10-11 |
| Toilet bowl odor eliminator App 20070113327 - Denkewicz; Raymond P. JR. ; et al. | 2007-05-24 |
| UV lamp supported filter cartridge Grant 7,033,502 - Engelhard , et al. April 25, 2 | 2006-04-25 |
| UV lamp supported filter cartridge App 20050035053 - Engelhard, Rolf ; et al. | 2005-02-17 |
| Filter cartridge support Grant 6,830,686 - Engelhard , et al. December 14, 2 | 2004-12-14 |
| Filter cartridge support App 20040011724 - Engelhard, Rolf ; et al. | 2004-01-22 |
| Compact ozone generator App 20030165411 - Engelhard, Rolf | 2003-09-04 |
| User-activated ultra-violet water treatment unit Grant 6,461,520 - Engelhard , et al. October 8, 2 | 2002-10-08 |
| Catalytic dental water apparatus Grant 6,267,895 - Engelhard , et al. July 31, 2 | 2001-07-31 |
| Dental unit water purifier Grant 5,942,125 - Engelhard , et al. August 24, 1 | 1999-08-24 |
| Super ozonating water purifier Grant 5,709,799 - Engelhard January 20, 1 | 1998-01-20 |
| Filter retainer for water purification unit Grant 5,540,848 - Engelhard July 30, 1 | 1996-07-30 |
| Water purification unit Grant D357,058 - Engelhard April 4, 1 | 1995-04-04 |
| Water purification unit Grant 5,266,215 - Engelhard November 30, 1 | 1993-11-30 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 