Growing community of inventors

Longmont, CO, United States of America

John A Popken

Average Co-Inventor Count = 2.62

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 = 905

John A PopkenDavid C Howson (3 patents)John A PopkenKenneth W Hotchkiss (3 patents)John A PopkenMichael W Fellinger (2 patents)John A PopkenRichard M Altobellis (2 patents)John A PopkenGeorge H Bramhall (1 patent)John A PopkenFrederick L Stone (1 patent)John A PopkenBennett J Scharf (1 patent)John A PopkenNellie S Griffith (1 patent)John A PopkenRobert E Havranek (1 patent)John A PopkenWalter E Oshetski (1 patent)John A PopkenArt B Woodward (1 patent)John A PopkenJohn A Popken (7 patents)David C HowsonDavid C Howson (26 patents)Kenneth W HotchkissKenneth W Hotchkiss (11 patents)Michael W FellingerMichael W Fellinger (16 patents)Richard M AltobellisRichard M Altobellis (2 patents)George H BramhallGeorge H Bramhall (8 patents)Frederick L StoneFrederick L Stone (2 patents)Bennett J ScharfBennett J Scharf (1 patent)Nellie S GriffithNellie S Griffith (1 patent)Robert E HavranekRobert E Havranek (1 patent)Walter E OshetskiWalter E Oshetski (1 patent)Art B WoodwardArt B Woodward (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Intelligent Medicine, Inc. (2 from 7 patents)

2. Other (1 from 832,891 patents)

3. Proto Production Plastics, Inc. (1 from 3 patents)

4. Proto-tel, Inc. (1 from 3 patents)

5. Ivion Corporation (1 from 1 patent)


7 patents:

1. 5725530 - Surgical saw and methods therefor

2. D341752 - Combined plate and cup carrier

3. 4908017 - Failsafe apparatus and method for effecting syringe drive

4. 4846797 - Syringe positioning device for enhancing fluid flow control

5. 4834152 - Storage receptacle sealing and transfer apparatus

6. D290806 - Telephone light bulb replacement tool

7. 4449015 - Connector cover with multiple mounting means

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1/1/2026
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