Patent Assignment
Reel/Frame 066377/0438
Change of Name
Recorded: 2024-01-29
Pages: 3
Assignor
EN RX CHEMICAL, INC
Executed: 2019-10-23
Assignee
PERL HOLDINGS CORPORATION
1411 DOUGLAS STREET, BIG SPRING, TEXAS, 79720
Covered Properties
(7)
Soil and Water Contamination Remediation Injector and Method of Use
Corrugated and Slotted Injection System and Method of Use
Patent:
10,232,416 →
Application:
15/066,811 →
Well Sampling System Incorporating Corrugated and Slotted Injection System and Method of Use
Patent:
10,590,765 →
Application:
15/670,603 →
Well System with Attached Sealant Line
Multi-Well System for Environmental Remediation or Sampling
Patent:
11,719,095 →
Application:
16/820,214 →
Well System with Attached Sealant Line
Patent:
11,767,731 →
Application:
17/408,904 →
Well System with Attached Sealant Line
Patent:
12,305,473 →
Application:
18/455,702 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 26, 2014
From: ROBINSON, LANCE I.; PIATT, ERIK R.
To: ENRX, INC.
Reel/Frame 033607/0354 →
Assignment of Assignor's Interest
Aug 25, 2016
From: ROBINSON, LANCE I.; PIATT, ERIK R.
To: ENRX, INC.
Reel/Frame 039543/0327 →
Assignment of Assignor's Interest
Jul 19, 2017
From: ENRX, INC.
To: EN RX CHEMICAL, INC.
Reel/Frame 043042/0697 →
Assignment of Assignor's Interest
Dec 18, 2017
From: ROBINSON, LANCE I.; PIATT, ERIK R.
To: EN RX CHEMICAL, INC.
Reel/Frame 044421/0676 →
Assignment of Assignor's Interest
Jul 21, 2020
From: ROBINSON, LANCE I.; PIATT, ERIK R.
To: EN RX CHEMICAL, INC.
Reel/Frame 053268/0641 →
Assignment of Assignor's Interest
Jan 4, 2021
From: ROBINSON, LANCE I.; PIATT, ERIK R.
To: EN RX CHEMICAL, INC.
Reel/Frame 054799/0145 →
Assignment of Assignor's Interest
Mar 14, 2023
From: ROBINSON, LANCE I.; PIATT, ERIK R.
To: EN RX CHEMICAL, INC.
Reel/Frame 062971/0608 →