For the Inventor, By the Inventor

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Minneapolis, MN, United States of America

Medi-Ject Corporation

USPTO Granted Patents = 14

Forward Citations = 1,517

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15 inventors (with patents filed for the assignee):

David R Schiff (8 out of 29 patents)

Paul Mulhauser (7 out of 57 patents)

Peter L Sadowski (4 out of 50 patents)

4. Thomas R Johnson (4 out of 18 patents)

5. David I Rosen (4 out of 8 patents)

6. Craig J Carlson (4 out of 4 patents)

7. David Reginald Theobald (4 out of 4 patents)

8. Hugh Francis Taylor (4 out of 10 patents)

9. Stephen John Lilley (4 out of 5 patents)

10. Sheldon J Nelson (3 out of 11 patents)

11. Walter Stoeckmann (3 out of 6 patents)

12. David M Deboer (1 out of 6 patents)

13. Matthew Marzynski (1 out of 1 patent)

14. Dave Schiff (1 out of 1 patent)

15. Paul R Lesch, Jr (1 out of 38 patents)

14 patents: Sort by Forward Citations

1. 6123684 - Loading mechanism for medical injector assembly (2000-09-26),

2. 5921967 - Plunger for nozzle assembly (1999-07-13),

3. 5919159 - Medical injection system and method, gas spring thereof and launching (1999-07-06),

4. 5891085 - Nozzle assembly with lost motion connection for medical injector assembly (1999-04-06),

5. 5875976 - Locking mechanism for nozzle assembly (1999-03-02),

6. 5865795 - Safety mechanism for injection devices (1999-02-02),

7. 5846233 - Coupling device for medical injection system (1998-12-08),

8. 5836911 - Injection device having positioning means (1998-11-17),

9. 5800388 - Plunger/ram assembly adapted for a fluid injector (1998-09-01),

10. 5769138 - Nozzle and adapter for loading medicament into an injector (1998-06-23),

11. 5722953 - Nozzle assembly for injection device (1998-03-03),

12. 5697917 - Nozzle assembly with adjustable plunger travel gap (1997-12-16),

13. 5643211 - Nozzle assembly having a frangible plunger (1997-07-01),

14. 5599302 - Medical injection system and method, gas spring thereof and launching (1997-02-04),

Medi-ject Corporation is a leading provider of innovative medical injection devices. With a strong focus on quality and patient safety, we offer a range of products designed to make injections more comfortable and efficient for healthcare professionals and patients. Our mission is to improve the delivery of injectable medications through advanced technology and user-friendly designs.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

14 Patents

#121 in Minneapolis, MN

#645 in Minnesota

#22,289 in US

#42,168 in the World

Minneapolis, MN, United States of America

Medi-Ject Corporation

Forward Citations = 1,517

15 inventors:

David R Schiff (8 out of 29 patents)

Paul Mulhauser (7 out of 57 patents)

Peter L Sadowski (4 out of 50 patents)

4. Thomas R Johnson (4 out of 18 patents)

5. David I Rosen (4 out of 8 patents)

Please report any incorrect information to [email protected]

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