John PETRACHEK

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Etobicoke, CA

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Patents Grantslast 30 patents

Information Patent Grant
Laser detection system
- Patent number 11,754,743
- Issue date Sep 12, 2023
- ATLAS-APEX ROOFING INC
- John Petrachek
- G08 - SIGNALLING
Information Patent Grant
System and method for monitoring temperature on a roof
- Patent number 11,611,814
- Issue date Mar 21, 2023
- Xuewen Zhu
- G01 - MEASURING TESTING
Information Patent Grant
System and method for monitoring water level on a roof
- Patent number 10,171,892
- Issue date Jan 1, 2019
- John Petrachek
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DRAINAGE PIPE COVERS WITH DATA PATTERNS PROVIDED THEREON
- Publication number 20250179789
- Publication date Jun 5, 2025
- Guardian Sensor Technologies Inc.
- John Petrachek
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR MONITORING TEMPERATURE ON A ROOF
- Publication number 20230379603
- Publication date Nov 23, 2023
- Atlas-Apex Roofing Inc.
- Xuewen Zhu
- G08 - SIGNALLING
Information Patent Application
LASER DETECTION SYSTEM
- Publication number 20230367029
- Publication date Nov 16, 2023
- Atlas-Apex Roofing Inc.
- John Petrachek
- G08 - SIGNALLING
Information Patent Application
SEAL ASSEMBLY METHOD AND APPARATUS
- Publication number 20220251846
- Publication date Aug 11, 2022
- Platinum Technologies Ltd.
- John G. Petrachek
- E04 - BUILDING
Information Patent Application
LASER DETECTION SYSTEM
- Publication number 20210302616
- Publication date Sep 30, 2021
- Atlas-Apex Roofing Inc.
- John Petrachek
- G08 - SIGNALLING
Information Patent Application
SYSTEM AND METHOD FOR MONITORING WATER LEVEL ON A ROOF
- Publication number 20180054662
- Publication date Feb 22, 2018
- John Petrachek
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR MONITORING TEMPERATURE ON A ROOF
- Publication number 20180052060
- Publication date Feb 22, 2018
- Atlas-Apex Roofing Inc.
- Xuewen ZHU
- E04 - BUILDING