Ralph Edward Barthel

City:

Wake Forest, North Carolina

Country:

United States

Published Applications:

Last publication date:

2021-12-30

Top Assignees for applications by Ralph Edward Barthel

The entities that hold a legal rights for patent applications filed by inventor Barthel Ralph Edward:

PREFERRED TECHNOLOGY, LLC 8 Radnor, PA United States

Recent patent applications by Barthel Ralph Edward

Ralph Edward Barthel from Wake Forest, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2021-12-30

US20210403801A1

Chemistry; metallurgy

Proppant with enhanced interparticle bonding

#2 | 2019-08-15

US20190249077A1

Chemistry; metallurgy

Proppant with enhanced interparticle bonding

#3 | 2017-09-28

US20170275523A1

Chemistry; metallurgy

Proppant with polyurea-type coating

#4 | 2016-07-07

US20160194556A1

Chemistry; metallurgy

Coated and cured proppants

#5 | 2014-11-20

US20140338906A1

Chemistry; metallurgy

Proppant with enhanced interparticle bonding

#6 | 2014-09-18

US20140274819A1

Chemistry; metallurgy

Proppant with polyurea-type coating

#7 | 2014-06-12

US20140162911A1

Chemistry; metallurgy

Proppant with composite coating

#8 | 2013-03-14

US20130065800A1

Chemistry; metallurgy

Coated and cured proppants

InventorID:

140731 ⎘