LK

Lee A. Krywitsky

HF Hiltap Fittings: 16 patents #1 of 6Top 20%
📍 Calgary, CA: #115 of 5,407 inventorsTop 3%
Overall (All Time): #195,549 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
10184469 Safety closures and pumping systems Dean Chisholm 2019-01-22
9759339 Safety isolation plug fittings and methods of use 2017-09-12
8833448 Fluid system component with sacrificial element 2014-09-16
8225809 Methods and apparatus for introducing a pig into a fluid system 2012-07-24
8157295 Articulating joint with injector port 2012-04-17
7988200 Fluid system coupling with pivoting handle actuating member 2011-08-02
7909365 Fluid system coupling with handle actuating member 2011-03-22
7878219 Fluid system coupling with pin lock 2011-02-01
7686037 Quick disconnect valve assembly 2010-03-30
7533694 Dry break valve assembly 2009-05-19
7267178 Fluid system component with sacrificial element 2007-09-11
7152630 Fluid system coupling 2006-12-26
7117892 Quick disconnect valve assembly 2006-10-10
7077436 Gear operated coupler 2006-07-18
7059369 Self-cleaning product transfer device 2006-06-13
7028778 Fluid system component with sacrificial element 2006-04-18
6981513 Fluid flow management system 2006-01-03
6672327 Dry break valve assembly 2004-01-06
5707152 Method for using reusable pipe union and pipe cap assembly for wide thermal cycling 1998-01-13
5678607 Reusable pipe union and pipe cap assembly for wide thermal cycling 1997-10-21
5529284 Reusable pipe union assembly with automatic fluid flow checking Martin Berger, Leo L. Krywitsky 1996-06-25
5355908 Reusable pipe union assembly with automatic fluid flow checking Martin Berger, Leo L. Krywitsky 1994-10-18