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For the Inventor, By the Inventor

Louisville, OH, United States of America

H-P Products, Inc.


USPTO Granted Patents = 31

% Expired Patents = 6.5


Trademarks = 31

Forward Citations = 181

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12 inventors (with patents filed for the assignee):

goldMedal Darrell V Nieschwitz (21 out of 23 patents)

silverMedal Shawn C Metz (17 out of 19 patents)

bronzeMedal Greg A Calderone (15 out of 17 patents)

4.  James F Smith (10 out of 16 patents)

5.  Andrew L Gabric (7 out of 7 patents)

6.  Wesley A Schroeder (2 out of 35 patents)

7.  John P Bishop (1 out of 1 patent)

8.  Gregory A Calderone (1 out of 1 patent)

9.  Leland J Dick (1 out of 1 patent)

10.  Robert F McGrath (1 out of 1 patent)

11.  Donald V Bailey (1 out of 2 patents)

12.  Benjamin A Scholles (1 out of 1 patent)


Core Competencies:
Vacuum Inlet Valve
Central Vacuum System
Vacuum Hose
Vacuum Cleaning Nozzle
Adapter
Vacuum Canister
Pneumatic Delivery
Hose Valve Assembly
Acoustic Foam
Storage System
Sliding Pins
Removable Motors

31 patents:

1. 12751587 - Central vacuum system and inlet valves therefor (2026-10-06),
2. 12256886 - Vacuum inlet valve assembly with sliding pins (2025-03-25),
3. 12178382 - Central vacuum system and inlet valves therefor (2024-12-31),
4. 12016517 - Adapter for a vacuum hose (2024-06-25),
5. 11903553 - Vacuum hose having an integrated switch (2024-02-20),
6. 11896187 - Central vacuum system and inlet valves therefor (2024-02-13),
7. 11707174 - Vacuum inlet valve assembly with sliding pins (2023-07-25),
8. 11534044 - Vacuum inlet valve assembly with a closeable seal (2022-12-27),
9. 11484165 - Vacuum inlet valve assembly (2022-11-01),
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),
Company Overview
H-P Products, Inc. is a manufacturer specializing in innovative vacuum systems and related products for both residential and commercial applications. Based in Louisville, Ohio, the company focuses on developing advanced solutions that enhance indoor air quality and improve cleaning efficiency. With a commitment to quality and customer satisfaction, H-P Products serves a diverse range of markets, providing reliable and effective products that meet the evolving needs of its clients.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

H-P Products, Inc. USPTO Patent Assignee Logo
31 Patents

#1 in Louisville, OH

#484 in Ohio

#10,921 in US

#21,238 in the World

Louisville, OH (US)
Louisville, OH, United States of America

H-P Products, Inc.

Forward Citations = 181

12 inventors:

goldMedal Darrell V Nieschwitz (21 out of 23 patents)

silverMedal Shawn C Metz (17 out of 19 patents)

bronzeMedal Greg A Calderone (15 out of 17 patents)

4.  James F Smith (10 out of 16 patents)

5.  Andrew L Gabric (7 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: H-P Products, Inc.. Retrieved from https://idiyas.com/company/h-p-products

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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