Robert A. Ehrhardt — 18 Patents at Zih

Robert A. Ehrhardt has been granted 18 US patents while listed as an inventor at Zih. The first was granted in 1999 and the most recent in October 2020. Robert A. Ehrhardt ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Robert A. Ehrhardt in Palatine, IL, US.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10793383	Clear card sensors	—	2020-10-06	$54,583,000
10241733	Methods and apparatus for supplying power to a printer	David L. Poole, Douglas A. Fox, Eugene K. Brown, Rod W. DeMay, John Ham +2 more	2019-03-26	$85,365,000
10138085	Clear card sensors	—	2018-11-27
10114983	Spindle supported near field communication device	Robert Gawelczyk, Derek J. Hampson, Dan E. Monnier, James M. Rehberger, Mark B. Urban	2018-10-30
9962976	Methods and apparatus to detect an ink ribbon based on types of light	Robert Edward Lass, Jr.	2018-05-08
9747062	Ethernet and USB powered printers and methods for supplying Ethernet and USB power to a printer	David L. Poole, Douglas A. Fox, Eugene K. Brown, Rod W. DeMay, John Ham +2 more	2017-08-29
9632734	Spindle supported near field communication device	Robert Gawelczyk, Derek J. Hampson, Dan E. Monnier, James M. Rehberger, Mark B. Urban	2017-04-25
9561646	High speed adaptive thermal printhead interface	Dwight D. Dipert, Ashok K. Charles, Daniel F. Donato, David Scott Schmitt	2017-02-07
9513856	Beam shaping near field communication device	Robert Gawelczyk, Derek J. Hampson, Dan E. Monnier, James M. Rehberger, Mark B. Urban	2016-12-06
9189184	Ethernet and USB powered printers and methods for supplying Ethernet and USB power to a printer	David L. Poole, Douglas A. Fox, Eugene K. Brown, Rod W. DeMay, John Ham +2 more	2015-11-17
9168774	Tri-state detector for detecting types of light	Robert Edward Lass, Jr.	2015-10-27
8721203	Memory system and method for consumables of a printer	—	2014-05-13
8587825	Ethernet and USB powered printers and methods for supplying ethernet and USB power to a printer	David L. Poole, Douglas A. Fox, Eugene K. Brown, Rod W. DeMay, John Ham +2 more	2013-11-19
7391043	Self calibrating media edge sensor	—	2008-06-24
7079168	Ribbon drive and tensioning system for a print and apply engine or a printer	Kenneth Folke Ullenius, Dale William Skamra	2006-07-18
7071961	Ribbon drive and tensioning system for a print and apply engine for a printer	Kenneth Folke Ullenius, Dale William Skamra	2006-07-04
7038703	Label printer with label edge detector	—	2006-05-02
5978004	Label printer with label edge sensor	—	1999-11-02	$14,931,000

Robert A. Ehrhardt — 18 Patents

Issued Patents All Time

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