Louisville, OH, United States of America

Darrell V Nieschwitz

This inventor holds 22 USPTO granted patents and 6 published patent applications and 2 EPO patents. Top assignees: H-P Products, Inc., Coltrin Central Vacuum Cleaning Systems, Inc., Coltrin Central Vacuum Systems, Inc.. Active years: 2004-2025.

USPTO Granted Patents = 22 (Patent Applications = 6)

% Patents Active = 100.0

EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 61(Granted Patents)

Location History:

Alliance, OH (US) (2004 - 2006)
Louisville, OH (US) (2008 - 2024)

Company Filing History:

Coltrin Central Vacuum Cleaning Systems, Inc.

patent

1 out of 1

Coltrin Central Vacuum Systems, Inc.

patent

Years Active: 2004-2025

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22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12256886 - Vacuum inlet valve assembly with sliding pins (2025-03-25),

2. 12178382 - Central vacuum system and inlet valves therefor (2024-12-31),

3. 12016517 - Adapter for a vacuum hose (2024-06-25),

4. 11903553 - Vacuum hose having an integrated switch (2024-02-20),

5. 11896187 - Central vacuum system and inlet valves therefor (2024-02-13),

6. 11707174 - Vacuum inlet valve assembly with sliding pins (2023-07-25),

7. 11534044 - Vacuum inlet valve assembly with a closeable seal (2022-12-27),

8. 11484165 - Vacuum inlet valve assembly (2022-11-01),

9. 11311158 - Central vacuum cleaning system (2022-04-26),

10. 11096534 - Central vacuum system and inlet valves therefor (2021-08-24),

11. 11019967 - Central vacuum system and inlet valves therefor (2021-06-01),

12. 10973382 - Central vacuum system and inlet valves therefor (2021-04-13),

13. 10820763 - Central vacuum system and inlet valves therefor (2020-11-03),

14. D885000 - Hose valve assembly for vacuum cleaning device (2020-05-19),

15. 10433690 - Central vacuum system and inlet valves therefor (2019-10-08),

Title: The Inventor Darrell V Nieschwitz

Introduction: Darrell V Nieschwitz is a prolific inventor based in Louisville, Ohio, known for his groundbreaking contributions to various industries.

Latest Patents: Darrell V Nieschwitz holds several patents in the fields of technology, healthcare, and consumer products, showcasing his diverse range of innovative ideas.

Career Highlights: Throughout his career, Darrell V Nieschwitz has demonstrated a keen ability to identify gaps in the market and develop unique solutions to address them. His inventions have not only improved efficiency but have also enhanced the quality of life for many individuals.

Collaborations: Darrell V Nieschwitz has collaborated with leading companies and research institutions to bring his inventions to life. His partnerships have been instrumental in turning his ideas into tangible products that have made a positive impact on society.

Conclusion: Darrell V Nieschwitz's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor in the industry. His contributions continue to inspire future generations of inventors to push the boundaries of what is possible.