Patent Assignment
Reel/Frame 013380/0278
Assignment of Assignor's Interest
Recorded: 2002-10-15
Pages: 4
Assignor
SAFETY-KLEEN CORP.
Executed: 2002-08-22
Assignee
CLEAN HARBORS, INC.
1501 WASHINGTON STREET, BRAINTREE, MASSACHUSETTS, 02185
Covered Properties
(7)
Process and Structure for Storing and Isolating Hazardous Waste
Patent:
4,464,081 →
Application:
06/509,137 →
Recycle Conduit Insulation Assembly
Patent:
5,091,157 →
Application:
07/516,484 →
Kiln Control for Incinerating Waste
Patent:
5,228,398 →
Application:
07/908,056 →
Slag Viscosity Detection Through Image Analysis of Dripping Slag Within Rotary Incineration Kilns
Patent:
5,301,621 →
Application:
08/062,790 →
Preventive Slag Viscosity Control by Detection of Alkali Metals in the Off-Gases
Patent:
5,353,722 →
Application:
08/106,536 →
Incineration Kiln Devices and Methods of Protecting the Same
Patent:
5,566,626 →
Application:
08/353,670 →
Control of Protective Layer Thickness in Kilns by Utilizing Two Laser Beams
Patent:
5,549,472 →
Application:
08/458,131 →
Related Assignments
(13)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jul 22, 1983
From: HILLIER, EDWARD; GRAYBILL, LARRY; WINDERS, RICHARD; BRIDGE, DAN
To: ROLLINS ENVIRONMENTAL SERVICES INC 2200 CONCORD PIKE 1 RAWLINGS PL WILMINGTON DE 19803 A CORP
Reel/Frame 004197/0494 →
Assignment of Assignors Interest.
Jun 11, 1990
From: BYERLY, HAROLD L.; KUHN, BRUNO R.
To: ROLLINS ENVIRONMENTAL SERVICES (TX) INC., A CORP OF TX
Reel/Frame 005324/0846 →
Assignment of Assignor's Interest
May 10, 1993
From: BYERLY, HAROLD L.; KUHN, BRUNO R.; MATTER, DONALD C.; VASSILIOU, EUSTATHIOS
To: ROLLINS ENVIRONMENTAL SERVICES, INC.
Reel/Frame 006537/0441 →
Assignment of Assignor's Interest
Aug 20, 1993
From: VASSILIOU, EUSTATHIOS; GUINTO, JOSEPH FRANK; SCHAEFER, WALTER RUSSELL; KUHN, BRUNO RICHARD
To: ROLLINS ENVIRONMENTAL SERVICES, INC.
Reel/Frame 006661/0135 →
Assignment of Assignor's Interest
Jan 7, 1994
From: VASSILIOU, EUSTATHIOS; KLIAUGA, DAVID; BAYNES, ROBIN
To: ROLLINS ENVIRONMENTAL SERVICES, INC.
Reel/Frame 006822/0536 →
Assignment of Assignor's Interest
Apr 13, 1995
From: SCHAEFER, WALTER RUSSELL; VASSILIOU, EUSTATHIOS; KUHN, BRUNO RICHARD; GUINTO, JOSEPH FRANK
To: ROLLINS ENVIRONMENTAL SERVICES, INC.
Reel/Frame 007450/0088 →
Assignment of Assignor's Interest
May 15, 1996
From: SCHAEFER, WALTER, R.; VASSILIOU,EUSTATHIOS; GUINTO,JOSEPH FRANK
To: ROLLINS ENIVRONMENTAL SERVICES, INC.
Reel/Frame 008092/0141 →
Security Interest
Apr 5, 1999
From: LES, INC.; LAIDLAW ENVIROMENTAL SERVICES, INC.; LAIDLAW ENVIRONMENTAL SERVICES (US), INC.; LES MERGER,INC.
To: TORONTO DOMINION (TEXAS),INC.,AS GENERAL ADMINISTRATIVE AGENT
Reel/Frame 009866/0429 →
Security Agreement
Sep 20, 2002
From: CLEAN HARBORS, INC.
To: ABLECO FINANCE LLC
Reel/Frame 013699/0389 →
Security Interest
Nov 12, 2002
From: CLEAN HARBORS, INC.
To: CONGRESS FINANCIAL CORPORATION (NEW ENGLAND)
Reel/Frame 013475/0688 →
Security Interest
Apr 2, 2003
From: CLEAN HARBORS, INC.
To: CONGRESS FINANCIAL CORPORATION (NEW ENGLAND)
Reel/Frame 013907/0651 →
Release of Security Interest
Jul 16, 2004
From: ABLECO FINANCE LLC
To: CLEAN HARBORS, INC.
Reel/Frame 015661/0435 →
Assignment of Assignor's Interest
Jul 16, 2004
From: CONGRESS FINANCIAL CORPORATION (NEW ENGLAND)
To: CLEAN HARBORS, INC.
Reel/Frame 015661/0468 →