Growing community of inventors

Groβkarolinenfeld/Tattenhause, Germany

Karl Lengfeller

Average Co-Inventor Count = 8.00

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 53

Karl Lengfeller ↔ Sriram Venkatasanthanam (10 patents)Karl Lengfeller ↔ Ramin Heydarpour (10 patents)Karl Lengfeller ↔ Ronald Ugolick (10 patents)Karl Lengfeller ↔ Ali Reza Mehrabi (10 patents)Karl Lengfeller ↔ Martin Utz (10 patents)Karl Lengfeller ↔ Chia-Hsi Chu (10 patents)Karl Lengfeller ↔ Michael Wilkes (10 patents)Karl LengfellerKarl Lengfeller (10 patents)Sriram VenkatasanthanamSriram Venkatasanthanam (37 patents)Ramin HeydarpourRamin Heydarpour (36 patents)Ronald UgolickRonald Ugolick (29 patents)Ali Reza MehrabiAli Reza Mehrabi (28 patents)Martin UtzMartin Utz (24 patents)Chia-Hsi ChuChia-Hsi Chu (16 patents)Michael WilkesMichael Wilkes (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Avery Dennison Corporation (9 from 1,453 patents)

2. Avery Dennison Zweckform Office Products Europe Gmbh (5 from 5 patents)

3. Other (1 from 832,912 patents)


10 patents:

1. 8524141 - Method of making a card sheet

2. RE43165 - Card sheet construction

3. RE43094 - Card sheet construction

4. RE42798 - Printable snap-breakable polymer sheet

5. RE42719 - Card sheet construction with opposing registered cut lines

6. 7699002 - Method of forming a printed business card

7. 7534479 - Printable snap-breakable polymer sheet

8. 7531227 - Card sheet construction

9. 7514134 - Card sheet construction

10. 7501170 - Card sheet construction with opposing registered cut lines

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idiyas.com
as of
1/7/2026
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