Growing community of inventors

Westminster, MD, United States of America

Mark D Gerhart

Average Co-Inventor Count = 4.18

ph-index = 26

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 = 1,505

Mark D GerhartGregory A Lathrop (24 patents)Mark D GerhartFrank E Gonda (20 patents)Mark D GerhartDavid F Gnadt (20 patents)Mark D GerhartKevin Joseph Markey (16 patents)Mark D GerhartDavid S Laubach (12 patents)Mark D GerhartHarry H Haubert (9 patents)Mark D GerhartEdward John Giblin (7 patents)Mark D GerhartArnold Brown (6 patents)Mark D GerhartEugene Francis Haffner (5 patents)Mark D GerhartHarry Hamilton Haubert, Iii (5 patents)Mark D GerhartGeorge Richard Trepina (4 patents)Mark D GerhartRobert Charles Blanc (4 patents)Mark D GerhartGerald Ross Robinson (3 patents)Mark D GerhartSimon R Gainey (3 patents)Mark D GerhartKarl Dallas Kirk, Iii (2 patents)Mark D GerhartJames Troy Collins (2 patents)Mark D GerhartJames S Potocki (2 patents)Mark D GerhartMike Richmond (2 patents)Mark D GerhartBartoez Matthew Marzynski (2 patents)Mark D GerhartCarlton Roy Mousseau (2 patents)Mark D GerhartAnthony Jason Scott (2 patents)Mark D GerhartBrian Wagner (2 patents)Mark D GerhartJames Earl Hiltner (2 patents)Mark D GerhartZebulon Stevens Robbins, Iii (2 patents)Mark D GerhartRobert Guldi (2 patents)Mark D GerhartEdward O'Brien (2 patents)Mark D GerhartMatthew Egerton Young (1 patent)Mark D GerhartCurtis Hans Hubmann (1 patent)Mark D GerhartWilliam Kevin Collis (1 patent)Mark D GerhartMeridith Jamin (1 patent)Mark D GerhartMark D Gerhart (42 patents)Gregory A LathropGregory A Lathrop (40 patents)Frank E GondaFrank E Gonda (37 patents)David F GnadtDavid F Gnadt (27 patents)Kevin Joseph MarkeyKevin Joseph Markey (24 patents)David S LaubachDavid S Laubach (21 patents)Harry H HaubertHarry H Haubert (12 patents)Edward John GiblinEdward John Giblin (46 patents)Arnold BrownArnold Brown (10 patents)Eugene Francis HaffnerEugene Francis Haffner (22 patents)Harry Hamilton Haubert, IiiHarry Hamilton Haubert, Iii (15 patents)George Richard TrepinaGeorge Richard Trepina (19 patents)Robert Charles BlancRobert Charles Blanc (5 patents)Gerald Ross RobinsonGerald Ross Robinson (5 patents)Simon R GaineySimon R Gainey (4 patents)Karl Dallas Kirk, IiiKarl Dallas Kirk, Iii (31 patents)James Troy CollinsJames Troy Collins (3 patents)James S PotockiJames S Potocki (3 patents)Mike RichmondMike Richmond (2 patents)Bartoez Matthew MarzynskiBartoez Matthew Marzynski (2 patents)Carlton Roy MousseauCarlton Roy Mousseau (2 patents)Anthony Jason ScottAnthony Jason Scott (2 patents)Brian WagnerBrian Wagner (2 patents)James Earl HiltnerJames Earl Hiltner (2 patents)Zebulon Stevens Robbins, IiiZebulon Stevens Robbins, Iii (2 patents)Robert GuldiRobert Guldi (2 patents)Edward O'BrienEdward O'Brien (2 patents)Matthew Egerton YoungMatthew Egerton Young (69 patents)Curtis Hans HubmannCurtis Hans Hubmann (41 patents)William Kevin CollisWilliam Kevin Collis (1 patent)Meridith JaminMeridith Jamin (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lever Brothers Company, Division of Conopco, Inc. (28 from 588 patents)

2. Unilever Home and Personal Care Usa, Division of Conopco, Inc. (6 from 755 patents)

3. Lever Brothers Company (4 from 1,003 patents)

4. Kellogg Company (2 from 209 patents)

5. Johnsondiversey, Inc. (1 from 136 patents)

6. Unilever Home & Personal Care Usa, a Division of Conopco, Inc. (1 from 91 patents)


42 patents:

1. 6772914 - Non-removable device for attaching a dispenser to a container

2. D489259 - Dose cup

3. 6641854 - Single handed container for mixing foods

4. 6631744 - Container

5. D474112 - Spigot and collar assembly

6. 6528105 - Single handed container for mixing foods

7. D470054 - Container

8. 6435382 - Spigot assembly for container

9. D451397 - Container body

10. D451393 - Vent closure

11. 6082588 - Dual compartment package and pumps

12. D425430 - Bottle

13. D415965 - Bottle with handle

14. 5954213 - Dual container and individual chamber therefor

15. D409903 - Dispenser

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as of
12/7/2025
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