Location History:
- Tattenhause, DE (2009)
- Groβkarolinenfeld/Tattenhause, DE (2009 - 2013)
Company Filing History:
9 out of 1,453 
5 out of 5 
1 out of 832,880 Years Active: 2009-2013
Title: The Innovative Contributions of Karl Lengfeller
Introduction
Karl Lengfeller is a notable inventor based in Groβkarolinenfeld/Tattenhausen, Germany. He has made significant contributions to the field of card sheet technology, holding a total of 10 patents. His work has paved the way for advancements in the production of high-quality cards used for various purposes.
Latest Patents
Among his latest patents is a method of making a card sheet that includes a top material with punched lines, allowing for printability on the front side. A carrier material, consisting of at least one polymer layer, is directly applied to the back side of the top material through an extrusion process. The polymer used has a stress-at-break in the range of 10 to 30 MPa and an elongation at break between 10 to 120%. This innovative card sheet allows for individual cards to be broken out, creating high-quality calling cards, photograph cards, post cards, and more.
Career Highlights
Karl Lengfeller has worked with prominent companies such as Avery Dennison Corporation and Avery Dennison Zweckform Office Products Europe GmbH. His experience in these organizations has contributed to his expertise in the field of card technology and innovation.
Collaborations
Throughout his career, Karl has collaborated with talented individuals, including Martin Utz and Michael Wilkes. These partnerships have further enhanced his work and contributions to the industry.
Conclusion
Karl Lengfeller's innovative patents and career achievements highlight his significant role in advancing card sheet technology. His contributions continue to impact the industry positively.