Growing community of inventors

Lenexa, KS, United States of America

Douglas Lee Krivanek

Average Co-Inventor Count = 4.00

ph-index = 2

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 = 37

Douglas Lee KrivanekJason Blake Penrod (2 patents)Douglas Lee KrivanekOrlanda Dominic Lacy (2 patents)Douglas Lee KrivanekChristopher Jason Shields (2 patents)Douglas Lee KrivanekThomas Allen Wallen (1 patent)Douglas Lee KrivanekKari Jean Walberg (1 patent)Douglas Lee KrivanekIvan B Helmrich (1 patent)Douglas Lee KrivanekRebecca Webb Wyko (1 patent)Douglas Lee KrivanekGretchen G Finch (1 patent)Douglas Lee KrivanekJohn M Decastro (1 patent)Douglas Lee KrivanekTeddi Norman Hernandez (1 patent)Douglas Lee KrivanekPamela Jean Kelley (1 patent)Douglas Lee KrivanekJohn Nathan Dawbarn (1 patent)Douglas Lee KrivanekDavid Morgan Lewis (1 patent)Douglas Lee KrivanekTerrence Michael Turner (1 patent)Douglas Lee KrivanekIvan B Helmirch (1 patent)Douglas Lee KrivanekJamie Lee Heath (1 patent)Douglas Lee KrivanekDouglas Lee Krivanek (6 patents)Jason Blake PenrodJason Blake Penrod (10 patents)Orlanda Dominic LacyOrlanda Dominic Lacy (10 patents)Christopher Jason ShieldsChristopher Jason Shields (6 patents)Thomas Allen WallenThomas Allen Wallen (22 patents)Kari Jean WalbergKari Jean Walberg (5 patents)Ivan B HelmrichIvan B Helmrich (4 patents)Rebecca Webb WykoRebecca Webb Wyko (1 patent)Gretchen G FinchGretchen G Finch (1 patent)John M DecastroJohn M Decastro (1 patent)Teddi Norman HernandezTeddi Norman Hernandez (1 patent)Pamela Jean KelleyPamela Jean Kelley (1 patent)John Nathan DawbarnJohn Nathan Dawbarn (1 patent)David Morgan LewisDavid Morgan Lewis (1 patent)Terrence Michael TurnerTerrence Michael Turner (1 patent)Ivan B HelmirchIvan B Helmirch (1 patent)Jamie Lee HeathJamie Lee Heath (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hallmark Cards, Inc. (6 from 233 patents)


6 patents:

1. 11499706 - Apparatus for producing light and sound

2. 10352553 - Apparatus for producing light and sound

3. 9145236 - Article with a latching mechanism

4. 9144258 - Realistically opening artificial flower

5. 9039483 - Print-level sensing for interactive play with a printed image

6. D616929 - Video display greeting card

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as of
12/19/2025
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