Growing community of inventors

Durham, NC, United States of America

David C Sokal

Average Co-Inventor Count = 2.11

ph-index = 5

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 = 105

David C SokalCarol L Joanis (3 patents)David C SokalGeorge A M Butterworth (3 patents)David C SokalJames D Reed (3 patents)David C SokalRobert Allan Johnson (2 patents)David C SokalParthena M Martin (2 patents)David C SokalLaneta J Dorflinger (2 patents)David C SokalStephen E Gerrard (1 patent)David C SokalElizabeth Kneen (1 patent)David C SokalRyan Hubbard (1 patent)David C SokalGeoff Galgon (1 patent)David C SokalTombozgani Banda (1 patent)David C SokalJ V Luukkainen (1 patent)David C SokalJv Tapani Luukkainen (1 patent)David C SokalDavid W Jenkins (1 patent)David C SokalDavid C Sokal (9 patents)Carol L JoanisCarol L Joanis (3 patents)George A M ButterworthGeorge A M Butterworth (3 patents)James D ReedJames D Reed (3 patents)Robert Allan JohnsonRobert Allan Johnson (4 patents)Parthena M MartinParthena M Martin (2 patents)Laneta J DorflingerLaneta J Dorflinger (2 patents)Stephen E GerrardStephen E Gerrard (2 patents)Elizabeth KneenElizabeth Kneen (1 patent)Ryan HubbardRyan Hubbard (1 patent)Geoff GalgonGeoff Galgon (1 patent)Tombozgani BandaTombozgani Banda (1 patent)J V LuukkainenJ V Luukkainen (1 patent)Jv Tapani LuukkainenJv Tapani Luukkainen (1 patent)David W JenkinsDavid W Jenkins (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Family Health International (8 from 27 patents)

2. Other (1 from 833,002 patents)


9 patents:

1. 8357117 - Device and method for delivering an agent into breast milk while breastfeeding

2. 8137327 - Vaginal drug delivery system and method

3. 8132566 - Vas deferens vasectomy capping device

4. 7824383 - Vaginal drug delivery system and method

5. D619250 - Vaginal drug delivery device

6. 6125850 - Vaginal device

7. 5885601 - Use of macrolide antibiotics for nonsurgical female sterilization and

8. 5826594 - Floss dispenser with memory aid for flossing upper and lower teeth in

9. 5819742 - Vaginal device for preventing conception or the transmission of sexually

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as of
1/23/2026
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