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For the Inventor, By the Inventor

Hemlock, NY, United States of America

Dennis M Lengyel

This inventor holds 18 USPTO granted patents. Top assignees: Xerox Corporation, Nu-Kote International, Inc.. Active years: 1998-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dennis M Lengyel. Retrieved from https://idiyas.com/inventor/dennis-m-lengyel

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 18

% Patents Active = 66.7

Average Co-Inventor Count = 3.0

ph-index = 10

Forward Citations = 202(Granted Patents)


Location History:

  • Hemlock, NY (US) (1998 - 2007)
  • Ontario, NY (US) (2006 - 2008)

Company Filing History:

goldMedal12 out of 24,259 
 
Xerox Corporation
 patents
silverMedal6 out of 57 
 
Nu-Kote International, Inc.
 patents

Years Active: 1998-2008

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18 patents (USPTO):Explore Patents
1. 7445321 - Ink-jet cartridge removal device (2008-11-04),
2. 7334887 - Ink container for an ink jet cartridge (2008-02-26),
3. 7255433 - Multiple pass aqueous MICR inkjet ink printing (2007-08-14),
4. 7140714 - Back-pressure and impedance tester for ink jet cartridges (2006-11-28),
5. 7137688 - Optical ink level detecting arrangements for ink cartridges (2006-11-21),
6. 7066587 - Partition structures for the interior of an ink container (2006-06-27),
7. 6663234 - Ink cartridge providing improved ink supply (2003-12-16),
8. 6527383 - Anti-bubble shelf in an ink tank (2003-03-04),
9. 6520612 - Sensing system for detecting presence of an ink container (2003-02-18),
10. 6460962 - Ink jet printer with sensing system for identifying various types of printhead cartridges (2002-10-08),
11. 6447109 - Liquid ink cartridge and improved filling method (2002-09-10),
12. D456446 - Portion of an ink tank (2002-05-01),
13. D452875 - Positioning guide for an ink tank (2002-01-09),
14. D448797 - Ink tank (2001-10-03),
15. 6254226 - Liquid ink cartridge with recessed fill hole and ink tank vent (2001-07-03),

Title: The Innovative Contributions of Dennis M Lengyel

Introduction

Dennis M Lengyel is a notable inventor based in Hemlock, NY, with a remarkable portfolio of 18 patents. His work primarily focuses on advancements in ink-jet technology, showcasing his commitment to innovation in the field.

Latest Patents

Among his latest inventions is the ink-jet cartridge removal device. This device features a uniquely designed ink cartridge with a stepped configuration, allowing for easier removal from printers. The cartridge includes a lid that can be secured in two positions, providing a ledge for removal or a tab for manual gripping. Another significant patent is the ink container for an ink jet cartridge, which includes a shell with a partition that separates ink and ink-absorbing material. This design enhances the efficiency of ink delivery and handling.

Career Highlights

Throughout his career, Dennis has worked with prominent companies such as Xerox Corporation and Nu-kote International, Inc. His experience in these organizations has contributed to his expertise in developing innovative solutions for ink-jet technology.

Collaborations

Dennis has collaborated with talented individuals in the industry, including Hiep H Nguyen and Eric Alan Merz. These partnerships have fostered a creative environment that has led to the development of his impactful inventions.

Conclusion

Dennis M Lengyel's contributions to ink-jet technology through his patents and collaborations highlight his role as a significant innovator in the field. His work continues to influence advancements in printing technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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