Gregory A. Calderone

Person

Canton, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Central vacuum system and inlet valves therefor
- Patent number 12,178,382
- Issue date Dec 31, 2024
- H-P Products, Inc.
- Darrell V. Nieschwitz
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Adapter for a vacuum hose
- Patent number 12,016,517
- Issue date Jun 25, 2024
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum hose having an integrated switch
- Patent number 11,903,553
- Issue date Feb 20, 2024
- H-P Products, Inc.
- Darrell V. Nieschwitz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Central vacuum system and inlet valves therefor
- Patent number 11,896,187
- Issue date Feb 13, 2024
- H-P Products, Inc.
- Darrell V. Nieschwitz
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vacuum inlet valve assembly with sliding pins
- Patent number 11,707,174
- Issue date Jul 25, 2023
- H-P Products, Inc.
- Darrell V. Nieschwitz
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vacuum inlet valve assembly with a closeable seal
- Patent number 11,534,044
- Issue date Dec 27, 2022
- H-P Products, Inc.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum inlet valve assembly
- Patent number 11,484,165
- Issue date Nov 1, 2022
- H-P Products, Inc.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Central vacuum cleaning system
- Patent number 11,311,158
- Issue date Apr 26, 2022
- Coltrin Central Vacuum Systems, Inc.
- Cory G. Coltrin
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Central vacuum system and inlet valves therefor
- Patent number 11,096,534
- Issue date Aug 24, 2021
- H-P Products, Inc.
- Darrell V. Nieschwitz
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Central vacuum system and inlet valves therefor
- Patent number 11,019,967
- Issue date Jun 1, 2021
- H-P Products, Inc.
- Darrell V. Nieschwitz
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Central vacuum system and inlet valves therefor
- Patent number 10,973,382
- Issue date Apr 13, 2021
- H-P Products, Inc.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Central vacuum system and inlet valves therefor
- Patent number 10,820,763
- Issue date Nov 3, 2020
- H-P Products, Inc.
- Darrell V. Nieschwitz
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hose valve assembly for vacuum cleaning device
- Patent number D885000
- Issue date May 19, 2020
- H-P Products, Inc.
- Shawn C. Metz
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Central vacuum system and inlet valves therefor
- Patent number 10,433,690
- Issue date Oct 8, 2019
- H-P Products, Inc.
- Darrell V. Nieschwitz
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Central vacuum cleaning system
- Patent number 10,405,713
- Issue date Sep 10, 2019
- Coltrin Central Vacuum Cleaning Systems, Inc.
- Trevor D. Coltrin
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Coupler for low pressure piping system
- Patent number 6,843,516
- Issue date Jan 18, 2005
- H-P Products, Inc.
- John P. Bishop
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
ADAPTER FOR A VACUUM HOSE
- Publication number 20240292987
- Publication date Sep 5, 2024
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR
- Publication number 20240115091
- Publication date Apr 11, 2024
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- B60 - VEHICLES IN GENERAL
Information Patent Application
VACUUM INLET VALVE ASSEMBLY WITH SLIDING PINS
- Publication number 20230309773
- Publication date Oct 5, 2023
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
VACUUM INLET VALVE ASSEMBLY WITH A CLOSEABLE SEAL
- Publication number 20220361725
- Publication date Nov 17, 2022
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
VACUUM HOSE HAVING AN INTEGRATED SWITCH
- Publication number 20220039624
- Publication date Feb 10, 2022
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VACUUM INLET VALVE ASSEMBLY WITH SLIDING PINS
- Publication number 20210244247
- Publication date Aug 12, 2021
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
ADAPTER FOR A VACUUM HOSE
- Publication number 20210235952
- Publication date Aug 5, 2021
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR
- Publication number 20210196091
- Publication date Jul 1, 2021
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR
- Publication number 20210145226
- Publication date May 20, 2021
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- B60 - VEHICLES IN GENERAL
Information Patent Application
CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR
- Publication number 20200305666
- Publication date Oct 1, 2020
- H-P Products, Inc.
- Darrell V. Nieschwitz
- B60 - VEHICLES IN GENERAL
Information Patent Application
VACUUM INLET VALVE ASSEMBLY WITH A CLOSEABLE SEAL
- Publication number 20200281431
- Publication date Sep 10, 2020
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR
- Publication number 20200178745
- Publication date Jun 11, 2020
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
VACUUM INLET VALVE ASSEMBLY
- Publication number 20200100634
- Publication date Apr 2, 2020
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR
- Publication number 20200008638
- Publication date Jan 9, 2020
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR
- Publication number 20190191946
- Publication date Jun 27, 2019
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- B60 - VEHICLES IN GENERAL
Information Patent Application
CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR
- Publication number 20180153364
- Publication date Jun 7, 2018
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- B60 - VEHICLES IN GENERAL
Information Patent Application
CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR
- Publication number 20170332858
- Publication date Nov 23, 2017
- H-P Products, Inc.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Coupler for low pressure piping system
- Publication number 20040007875
- Publication date Jan 15, 2004
- John P. Bishop
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Gregory A. Calderone

Person

Patents Grantslast 30 patents

Central vacuum system and inlet valves therefor

Adapter for a vacuum hose

Vacuum hose having an integrated switch

Central vacuum system and inlet valves therefor

Vacuum inlet valve assembly with sliding pins

Vacuum inlet valve assembly with a closeable seal

Vacuum inlet valve assembly

Central vacuum cleaning system

Central vacuum system and inlet valves therefor

Central vacuum system and inlet valves therefor

Central vacuum system and inlet valves therefor

Central vacuum system and inlet valves therefor

Hose valve assembly for vacuum cleaning device

Central vacuum system and inlet valves therefor

Central vacuum cleaning system

Coupler for low pressure piping system

Patents Applicationslast 30 patents

ADAPTER FOR A VACUUM HOSE

CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR

VACUUM INLET VALVE ASSEMBLY WITH SLIDING PINS

VACUUM INLET VALVE ASSEMBLY WITH A CLOSEABLE SEAL

VACUUM HOSE HAVING AN INTEGRATED SWITCH

VACUUM INLET VALVE ASSEMBLY WITH SLIDING PINS

ADAPTER FOR A VACUUM HOSE

CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR

CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR

CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR

VACUUM INLET VALVE ASSEMBLY WITH A CLOSEABLE SEAL

CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR

VACUUM INLET VALVE ASSEMBLY

CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR

CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR

CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR

CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR

Coupler for low pressure piping system