For the Inventor, By the Inventor

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Plymouth, MN, United States of America

Once Innovations, Inc.

USPTO Granted Patents = 53

EPO Patents = 3

Trademarks = 5

Forward Citations = 886

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15 inventors (with patents filed for the assignee):

Zdenko Grajcar (52 out of 100 patents)

Kevin Payne (5 out of 13 patents)

Leif Erickson (4 out of 5 patents)

4. Juliette Delabbio (3 out of 8 patents)

5. John Lilly (2 out of 2 patents)

6. David Haskvitz (2 out of 2 patents)

7. Brad Klassen (2 out of 2 patents)

8. Brian A Babb (2 out of 2 patents)

9. Karol Licko (1 out of 4 patents)

10. Peter Simko (1 out of 4 patents)

11. Josef Hoffmann (1 out of 4 patents)

12. David Natarelli (1 out of 2 patents)

13. Hoa Huynh (1 out of 1 patent)

14. Julie Delabbio (1 out of 1 patent)

15. Michael J Ostaffe (1 out of 1 patent)

Core Competencies:

Integral Conduit Modular Lighting

Dimmable Analog AC Circuit

Photonic Engine System

Aquaculture Lighting

LED Lighting for Livestock

Spectral Shift Control

Biological Responses Promotion

High Frequency AC LED Lighting

Light Emitting Diode Assembly

Reproduction Enhancement in Avian

Driving Circuitry for LED Lighting

Reduction of Harmonic Distortion

53 patents: Sort by Forward Citations

1. 10330305 - Integral conduit modular lighting (2019-06-25),

2. 10314125 - Dimmable analog AC circuit (2019-06-04),

3. 10244595 - Photonic engine system for actuating the photosynthetic electron transport chain (2019-03-26),

4. 10237956 - System and method of illuminating livestock (2019-03-19),

5. 10206378 - System and method of enhancing swine reproduction (2019-02-19),

6. 10201152 - Systems and methods for promoting biological responses in incubated eggs (2019-02-12),

7. 10154657 - Lighting system and control for aquaculture (2018-12-18),

8. 10104875 - System and method of enhancing reproduction in avian (2018-10-23),

9. 10091857 - Shunt regulator for spectral shift controlled light source (2018-10-02),

10. 10028448 - Light sources adapted to spectral sensitivity of plants (2018-07-24),

11. 9844210 - System and method of enhancing reproduction in avian (2017-12-19),

12. 9775212 - Spectral shift control for dimmable AC LED lighting (2017-09-26),

13. 9775209 - High frequency AC LED lighting system (2017-09-26),

14. 9756837 - Differential illumination to select egg laying sites (2017-09-12),

15. 9730288 - Dimmable analog AC circuit (2017-08-08),

Once Innovations, Inc. is a technology company specializing in innovative solutions for various industries. With a focus on research and development, Once Innovations provides cutting-edge products and services to enhance efficiency, productivity, and sustainability. Visit their website to explore their diverse range of offerings and learn more about their commitment to innovation.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

53 Patents

#6 in Plymouth, MN

#181 in Minnesota

#6,449 in US

#12,960 in the World

Plymouth, MN, United States of America

Once Innovations, Inc.

Forward Citations = 886

15 inventors:

Zdenko Grajcar (52 out of 100 patents)

Kevin Payne (5 out of 13 patents)

Leif Erickson (4 out of 5 patents)

4. Juliette Delabbio (3 out of 8 patents)

5. John Lilly (2 out of 2 patents)

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