Darrell V. Nieschwitz

Person

Alliance, OH, US

People

Patents Grantslast 30 patents

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 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
Vacuum tube locking collar
- Patent number 9,782,047
- Issue date Oct 10, 2017
- H-P Products, Inc.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum hose storage system
- Patent number 7,945,990
- Issue date May 24, 2011
- H-P Products, Inc.
- Andrew L. Gabric
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Acoustic foam sound reducer for vacuum power unit
- Patent number 7,434,657
- Issue date Oct 14, 2008
- H-P Products, Inc.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum canister and mounting bracket for use therewith
- Patent number 7,080,425
- Issue date Jul 25, 2006
- H-P Products, Inc.
- James F. Smith
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum canister with auxiliary intake valve
- Patent number 7,051,398
- Issue date May 30, 2006
- H-P Products, Inc.
- James F. Smith
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Acoustic foam sound reducer for vacuum power unit
- Patent number D494331
- Issue date Aug 10, 2004
- H-P Products, Inc.
- Darrell V. Nieschwitz
- D32 - Washing, cleaning, or drying machine

Patents Applicationslast 30 patents

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
VACUUM TUBE LOCKING COLLAR
- Publication number 20150190023
- Publication date Jul 9, 2015
- H-P Products, Inc.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
VACUUM HOSE STORAGE SYSTEM
- Publication number 20090188073
- Publication date Jul 30, 2009
- H-P Products, Inc.
- Andrew L. Gabric
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Vacuum hose storage system
- Publication number 20090188072
- Publication date Jul 30, 2009
- H-P PRODUCTS, INC.
- Andrew L. Gabric
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Acoustic foam sound reducer for vacuum power unit
- Publication number 20060070797
- Publication date Apr 6, 2006
- H-P PRODUCTS, INC.
- Darrell V. Nieschwitz
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Vacuum canister with auxiliary intake valve
- Publication number 20040177468
- Publication date Sep 16, 2004
- James F. Smith
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Vacuum canister and mounting bracket for use therewith
- Publication number 20040172782
- Publication date Sep 9, 2004
- James F. Smith
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Darrell V. Nieschwitz

Person

Patents Grantslast 30 patents

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 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

Vacuum tube locking collar

Vacuum hose storage system

Acoustic foam sound reducer for vacuum power unit

Vacuum canister and mounting bracket for use therewith

Vacuum canister with auxiliary intake valve

Acoustic foam sound reducer for vacuum power unit

Patents Applicationslast 30 patents

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

VACUUM TUBE LOCKING COLLAR

VACUUM HOSE STORAGE SYSTEM

Vacuum hose storage system

Acoustic foam sound reducer for vacuum power unit

Vacuum canister with auxiliary intake valve

Vacuum canister and mounting bracket for use therewith