Growing community of inventors

Oak Park, IL, United States of America

David Raymond Langelan

Average Co-Inventor Count = 15.41

ph-index = 6

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 = 437

David Raymond LangelanStephen Alan Smith (6 patents)David Raymond LangelanWarren Giles Wiedmeyer (6 patents)David Raymond LangelanKevin Ray Smith (6 patents)David Raymond LangelanJohn Stewart Gitschlag (6 patents)David Raymond LangelanJames Tam Joines, Jr (6 patents)David Raymond LangelanRajendra Ranjitbhai Chauhan (6 patents)David Raymond LangelanMark Gerald Anhalt (6 patents)David Raymond LangelanDawn Ellen Huston (6 patents)David Raymond LangelanStephen William Sullivan (6 patents)David Raymond LangelanMohammed Maqsood Ahmed (6 patents)David Raymond LangelanWilliam Edward Hurst (6 patents)David Raymond LangelanBryce G Rutter (4 patents)David Raymond LangelanBrian C Bone (4 patents)David Raymond LangelanHeath A Doty (4 patents)David Raymond LangelanRich Matthew Chin (4 patents)David Raymond LangelanBrian Norman Clarke (2 patents)David Raymond LangelanRich Matthiew Chin (2 patents)David Raymond LangelanRichard Michael Sandusky (1 patent)David Raymond LangelanDavid Raymond Langelan (6 patents)Stephen Alan SmithStephen Alan Smith (62 patents)Warren Giles WiedmeyerWarren Giles Wiedmeyer (41 patents)Kevin Ray SmithKevin Ray Smith (33 patents)John Stewart GitschlagJohn Stewart Gitschlag (29 patents)James Tam Joines, JrJames Tam Joines, Jr (19 patents)Rajendra Ranjitbhai ChauhanRajendra Ranjitbhai Chauhan (7 patents)Mark Gerald AnhaltMark Gerald Anhalt (7 patents)Dawn Ellen HustonDawn Ellen Huston (6 patents)Stephen William SullivanStephen William Sullivan (6 patents)Mohammed Maqsood AhmedMohammed Maqsood Ahmed (6 patents)William Edward HurstWilliam Edward Hurst (6 patents)Bryce G RutterBryce G Rutter (87 patents)Brian C BoneBrian C Bone (52 patents)Heath A DotyHeath A Doty (36 patents)Rich Matthew ChinRich Matthew Chin (4 patents)Brian Norman ClarkeBrian Norman Clarke (8 patents)Rich Matthiew ChinRich Matthiew Chin (2 patents)Richard Michael SanduskyRichard Michael Sandusky (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Solo Cup Company (3 from 64 patents)

2. Solo Cup Operating Corporation (3 from 53 patents)


6 patents:

1. 7246715 - Reclosable container lid

2. 7159732 - Reclosable container lid

3. 7156251 - Reclosable container lid

4. 7134566 - Container lid with closure member

5. 6732875 - Reclosable container lid

6. 6679397 - Container lid with closure member

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as of
12/7/2025
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