Eserkaln; Paul W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Eserkaln; Paul W..The latest application filed is for "ultrasonic flow meter calibration system and method".

Company Profile

1.5.5

Eserkaln; Paul W. - Oak Creek WI
Eserkaln; Paul W. - Sheboygan WI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Ultrasonic flow meter calibration system and method Grant 11,402,254 - Wusterbarth , et al. August 2, 2	2022-08-02
Ultrasonic Flow Meter Calibration System and Method App 20210048329 - Wusterbarth; Michael A. ; et al.	2021-02-18
Modular drinking water filtration system with adapter rings for replaceable cartridges to assure proper fit Grant 7,695,619 - Kurth , et al. April 13, 2	2010-04-13
Modular drinking water filtration system with locking arrangement to assure filter cartridge compatibility Grant 7,662,283 - Eserkaln , et al. February 16, 2	2010-02-16
Modular Drinking Water Filtration System with Internal Sealing Between Valve Spindle and Head App 20090236277 - Kurth; Michael J. ; et al.	2009-09-24
Modular Drinking Water Filtration System with Keyed Attachment of Filter Head to Mounting Bracket and Modular Back Plates App 20090236272 - Zerger; Terry P. ; et al.	2009-09-24
Modular Drinking Water Filtration System with Adapter Rings for Replaceable Cartridges to Assure Proper Fit App 20090236276 - Kurth; Michael J. ; et al.	2009-09-24
Modular Drinking Water Filtration System with Locking Arrangement to Assure Filter Cartridge Compatibility App 20090236271 - Eserkaln; Paul W. ; et al.	2009-09-24
Modular drinking water filtration system with bottom load cartridges with grip-enhanced end rings and color coding Grant 7,540,957 - Kurth , et al. June 2, 2	2009-06-02
Modular drinking water filtration system with removable and replaceable RO spindle Grant 7,540,956 - Kurth , et al. June 2, 2	2009-06-02

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.