For the Inventor, By the Inventor

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Ashtabula, OH, United States of America

Mikkelsens, Inc.

USPTO Granted Patents = 160

Forward Citations = 92

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17 inventors (with patents filed for the assignee):

Lyndon W Drewlow (80 out of 80 patents)

James C Mikkelsen (62 out of 64 patents)

Cornelis P Van Den Berg (12 out of 12 patents)

4. Claude Hope (3 out of 39 patents)

5. Adolf Grob (3 out of 3 patents)

6. Edward P Mikkelsen (2 out of 2 patents)

7. Moritz Burki (2 out of 2 patents)

8. Leslie Woodriff (2 out of 2 patents)

9. Hans Joachim Rohde (2 out of 2 patents)

10. Konrad Michelssen (1 out of 1 patent)

11. Arthur Barco (1 out of 1 patent)

12. Heinz Sommer (1 out of 1 patent)

13. Alexander Hrebeniuk (1 out of 2 patents)

14. Alexander Hrebenink (1 out of 1 patent)

15. Hans-Joachim Rohde (1 out of 1 patent)

Core Competencies:

New Guinea Impatiens

Kalanchoe Plants

Poinsettia Varieties

Streptocarpus Plants

Begonia Cultivars

Double-Flowering Plants

Floral Breeding

Ornamental Horticulture

Plant Naming

Hybrid Plants

Floral Genetics

Plant Cultivation

160 patents: Sort by Forward Citations

1. 5684225 - Double-flowering New Guinea Impatiens (1997-11-04),

2. PP9839 - Kalanchoe plant named Empress (1997-03-25),

3. PP9675 - Kalanchoe plant named Merit (1996-10-29),

4. PP9674 - Kalanchoe plant named Chivalry (1996-10-29),

5. PP9452 - Poinsettia plant named `Red Delight` (1996-02-13),

6. PP9111 - Kalanchoe plant named Legacy (1995-04-18),

7. 5399798 - Double-flowering New Guinea Impatiens (1995-03-21),

8. PP8938 - Impatiens plant named Tempest (1994-10-11),

9. PP8917 - Impatiens plant named Allegro (1994-09-27),

10. PP8916 - Impatiens plant named Baroque (1994-09-27),

11. PP8907 - Impatiens plant named Canon (1994-09-20),

12. PP8906 - Impatiens plant named Sonata (1994-09-20),

13. PP8905 - Impatiens plant named Largo (1994-09-20),

14. PP8904 - Impatiens plant named Shadow (1994-09-20),

15. PP8903 - Impatiens plant named Ambience (1994-09-20),

Mikkelsens, Inc. is a leading provider of industrial equipment and solutions. With over 20 years of experience, we offer a wide range of products including pumps, valves, and control systems. Our team of experts are dedicated to providing top-notch service and support to our customers. Visit our website to learn more about how Mikkelsens, Inc. can meet your industrial needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

160 Patents

#1 in Ashtabula, OH

#104 in Ohio

#2,394 in US

#5,000 in the World

Ashtabula, OH, United States of America

Mikkelsens, Inc.

Forward Citations = 92

17 inventors:

Lyndon W Drewlow (80 out of 80 patents)

James C Mikkelsen (62 out of 64 patents)

Cornelis P Van Den Berg (12 out of 12 patents)

4. Claude Hope (3 out of 39 patents)

5. Adolf Grob (3 out of 3 patents)

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