John D. Birkenholz

Person

Kansas City, MO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Prefilters for particle concentrators
- Patent number 12,050,162
- Issue date Jul 30, 2024
- INNOVAPREP, LLC
- Alec D. Adolphson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Devices, systems and methods for surface sampling
- Patent number 11,986,168
- Issue date May 21, 2024
- INNOVAPREP, LLC
- Alec D. Adolphson
- G01 - MEASURING TESTING
Information Patent Grant
Devices, systems and methods for surface sampling
- Patent number 10,842,470
- Issue date Nov 24, 2020
- INNOVAPREP, LLC
- Alec D. Adolphson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
PREFILTERS FOR PARTICLE CONCENTRATORS
- Publication number 20240385089
- Publication date Nov 21, 2024
- INNOVAPREP LLC
- Alec D. Adolphson
- G01 - MEASURING TESTING
Information Patent Application
LARGE AREA SURFACE SAMPLER WITH INVERTIBLE BAG
- Publication number 20230146816
- Publication date May 11, 2023
- INNOVAPREP LLC
- Michael Fischer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PREFILTERS FOR PARTICLE CONCENTRATORS
- Publication number 20220341826
- Publication date Oct 27, 2022
- INNOVAPREP LLC
- Alec D. Adolphson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MULTI-FUNCTION FACE MASKS
- Publication number 20220125333
- Publication date Apr 28, 2022
- INNOVAPREP LLC
- David S. Alburty
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LIQUID TO LIQUID BIOLOGICAL PARTICLE CONCENTRATOR WITH DISPOSABLE F...
- Publication number 20210308664
- Publication date Oct 7, 2021
- INNOVAPREP LLC
- John D. Birkenholz
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DEVICES, SYSTEMS AND METHODS FOR SURFACE SAMPLING
- Publication number 20210077080
- Publication date Mar 18, 2021
- INNOVAPREP LLC
- Alec D. Adolphson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DEVICES, SYSTEMS AND METHODS FOR SURFACE SAMPLING
- Publication number 20160302776
- Publication date Oct 20, 2016
- InnovaPrep LLC
- Alec D. Adolphson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

John D. Birkenholz

Person

Patents Grantslast 30 patents

Prefilters for particle concentrators

Devices, systems and methods for surface sampling

Devices, systems and methods for surface sampling

Patents Applicationslast 30 patents

PREFILTERS FOR PARTICLE CONCENTRATORS

LARGE AREA SURFACE SAMPLER WITH INVERTIBLE BAG

PREFILTERS FOR PARTICLE CONCENTRATORS

MULTI-FUNCTION FACE MASKS

LIQUID TO LIQUID BIOLOGICAL PARTICLE CONCENTRATOR WITH DISPOSABLE F...

DEVICES, SYSTEMS AND METHODS FOR SURFACE SAMPLING

DEVICES, SYSTEMS AND METHODS FOR SURFACE SAMPLING