David Helmlinger — 14 Patents at Opex

David Helmlinger has been granted 14 US patents while listed as an inventor at Opex. The first was granted in 2014 and the most recent in January 2025. David Helmlinger ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list David Helmlinger in Moorestown, NJ, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date
12212722	Document imaging apparatus with leading edge engagement for improved performance	Michael Sullivan, Kerry O'Mara, John J. Allen, James D. Walsh, Dobromir Kamburov +2 more	2025-01-28
12138662	Document imaging apparatus with leading edge engagement for improved performance	Michael Sullivan, Kerry O'Mara, John J. Allen, James D. Walsh, Dobromir Kamburov +2 more	2024-11-12
12139361	Feeder for feeding document to document imaging system and method for feeding documents	Gary Miller, Peter M. Chezik, Robert R. DeWitt	2024-11-12
11985280	Document imaging system and method for imaging documents	Michael Sullivan, Kerry O'Mara, John J. Allen, James D. Walsh, Dobromir Kamburov +2 more	2024-05-14
11973908	Document imaging system and method for imaging document	Michael Sullivan, John J. Allen, Robert R. DeWitt, Michael E. York, Robert Esche +2 more	2024-04-30
11765290	Document imaging system and method for imaging document	Michael Sullivan, John J. Allen, Robert R. DeWitt, Michael E. York, Robert Esche +2 more	2023-09-19
10906761	Feeder for feeding document to document imaging system and method for feeding documents	Gary Miller, Peter M. Chezik, Robert R. DeWitt	2021-02-02
10855864	Document imaging system and method for imaging documents	Michael Sullivan, John J. Allen, Robert R. DeWitt, Michael E. York, Robert Esche +2 more	2020-12-01
9932184	Feeder for feeding document to document imaging system and method for feeding documents	Gary Miller, Peter M. Chezik, Robert R. DeWitt	2018-04-03
9621758	Imaging assembly for scanner	Kerry O'Mara	2017-04-11
9527114	Apparatus and method for opening and sorting envelopes	Robert R. DeWitt	2016-12-27
9079730	Feeder for feeding document to document imaging system and method for feeding documents	Gary Miller, Peter M. Chezik, Robert R. DeWitt	2015-07-14
8919570	Apparatus for opening and sorting envelopes	Robert R. DeWitt	2014-12-30
8893456	Method and apparatus for processing envelopes containing documents to obtain images of the documents	Michael Sullivan, Erick Grasmueck, Robert R. DeWitt, George Hayduchok	2014-11-25

David Helmlinger — 14 Patents

Issued Patents All Time

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