This inventor holds 231 USPTO granted patents, primarily in African Violet Cultivation (CPC class Plt 69). Top assignees: Gessellschaftsvertrag Uber Die Erfindergemeinschaft 'Optimara', International Plant Breeding Ag, Holtkamp Greenhouses, Inc.. Active years: 1978-2011. Education: Vanderbilt University.
Graduated from:
- Vanderbilt University
Inventors with similar research interests:
Location History:
- 4294 Isselburg, DE (1978 - 1984)
- D4294 Isselberg, DE (1988)
- D4294 Isselburg, DE (1988 - 1990)
- D 4242 Reese-Haffen, DE (1991)
- Isselburg, DE (1978 - 1992)
- D 4242 Rees-Haffen, DE (1990 - 1993)
- Rees-Haffen, DE (1998)
- Ress-Haffen, DE (1998)
- Nashville, TN (US) (1991 - 2011)
Company Filing History:
71 out of 82 
21 out of 21 
5 out of 6 Years Active: 1978-2011
Areas of Expertise:
Title: Reinhold Holtkamp Sr.: Breeding Innovations in African Violets
Introduction:
Reinhold Holtkamp Sr. is a renowned inventor and plant breeder hailing from Nashville, Tennessee. With a remarkable 231 patents to his name, he has made significant contributions to the world of horticulture, particularly with his advancements in African Violet breeding. Holtkamp Sr.'s latest patents showcase his expertise in developing cultivars with a multiflorescence trait, resulting in a diverse range of vibrant African Violet plant varieties.
Latest Patents:
One of Holtkamp Sr.'s recent patents is focused on the multiflorescence trait in African Violets, which is characterized by the production of two or more flower stems from a single leaf axil. These African Violet plants possess the ability to bloom continuously, adding an aesthetic appeal to any space. The multiflorescence trait has been successfully bred into various African Violet cultivars, allowing for the combination of different flower colors, leaf colors, and growth habits, resulting in an extensive array of unique plants.
Another notable invention by Holtkamp Sr. is the African Violet cultivar named 'EverHarmony.' This particular variety stands out due to its multiflorescence trait, featuring white to very light pink flowers with darker pink accents around the green center and petal edges. The flowers have wavy edges adorned with a finely frilled greenish line, and the strong, upright flower stems form a compact bouquet above the leaves. 'EverHarmony' also boasts medium green, wavy and serrated, oval to heart-shaped leaves, vigorous growth, and non-dropping flowers. Its blooming period usually occurs approximately 12-13 weeks after potting, ensuring a lasting and delightful display.
Career Highlights:
Reinhold Holtkamp Sr.'s career has been dedicated to the advancement of African Violet breeding. His expertise in plant genetics and cultivation has allowed him to develop numerous unique cultivars, earning him a prominent place within the horticulture community. Holtkamp Sr.'s contributions have not only enhanced the visual appeal of African Violets but also improved their overall hardiness and adaptability.
Collaborations:
Throughout his career, Holtkamp Sr. has collaborated with reputable organizations to further his research and bring his innovations to fruition. Notably, he has worked with Gesellschaftsvertrag über die Erfindergemeinschaft 'Optimara,' a crucial partnership in developing and promoting innovations in African Violet breeding. Additionally, Holtkamp Sr. has engaged in collaborations with International Plant Breeding Ag, further expanding his reach and impact within the industry.
Conclusion:
Reinhold Holtkamp Sr.'s contributions to African Violet breeding have significantly enriched the world of horticulture. His patented inventions, such as the multiflorescence trait in African Violets and the 'EverHarmony' cultivar, showcase his dedication and expertise in advancing the visual appeal, growth habits, and genetic diversity within this beloved plant species. Holtkamp Sr.'s persistent drive for innovation has undoubtedly left an indelible mark on the African Violet world, delighting plant enthusiasts and breeders alike with his remarkable creations.