IP Library Granted Patent US 807,597
Granted Patent S1
US 807,597 · App. 29/516,588 · Granted Jan 9, 2018

Dart having blades for cleaning tubes

Inventors: Brian D. Antal (Fombell, PA); Carroll E. Joseph (Leetonia, OH)
Assignee: National Heat Exchange Cleaning Corporation
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Quick Facts
Patent No.
US 807,597
App. No.
29/516,588
Granted
Jan 9, 2018
Kind
S1
Claims (1)

The ornamental design for a dart having blades for cleaning tubes, as shown and described.

Assignments (7)
MERGER Recorded Mar 28, 2024
From: GBHX HOLDING CORPORATION
To: CONCO SERVICES, LLC
Reel/Frame 066941/0260 →
MERGER Recorded Mar 28, 2024
From: BLUE WOLF PERFORMANCE SOLUTIONS LLC
To: AHNNAH LLC
Reel/Frame 066941/0213 →
MERGER Recorded Mar 28, 2024
From: AHNNAH LLC
To: GBHX HOLDING CORPORATION
Reel/Frame 066941/0227 →
MERGER Recorded Mar 28, 2024
From: NATIONAL HEAT EXCHANGE CLEANING CORP.
To: BLUE WOLF PERFORMANCE SOLUTIONS LLC
Reel/Frame 066941/0180 →
SECURITY INTEREST Recorded Jun 1, 2023
From: NATIONAL HEAT EXCHANGE CLEANING CORPORATION
To: TECUM CAPITAL PARTNERS II, L.P.
Reel/Frame 063834/0755 →
SECURITY INTEREST Recorded May 26, 2023
From: CONCO SERVICES, LLC; ACCONDA LLC; NATIONAL HEAT EXCHANGE CLEANING CORP.; PETROLINK USA, LLC
To: PNC BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 063777/0817 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 10, 2015
From: ANTAL, BRIAN D.; JOSEPH, CARROLL E.
To: NATIONAL HEAT EXCHANGE CLEANING CORPORATION
Reel/Frame 035384/0329 →