Patent Assignment
Reel/Frame 004762/0085
Change of Name Effective: 3/23/87
Recorded: 1987-07-28
Pages: 4
Assignor
PRESSURE SCIENCE INCORPORATED
Executed: 1987-03-23
Assignee
Covered Properties
(15)
Sealing Ring
Patent:
3,575,432 →
Application:
04/864,758 →
Sealing Ring
Patent:
3,797,836 →
Application:
05/177,966 →
Multiple Convolution Sealing Ring
Patent:
4,121,843 →
Application:
05/839,187 →
Multi-Ply Sealing Rings
Patent:
4,218,067 →
Application:
06/008,856 →
Flexible Piping Joint and Method of Forming Same
Patent:
4,448,449 →
Application:
06/260,162 →
Torsionally Flexible Metallic Annular Seal
Patent:
4,457,523 →
Application:
06/437,869 →
Resilient Annular Seal with Supporting Liner
Patent:
4,553,775 →
Application:
06/488,648 →
Sealed Rigid Pipe Joint
Application:
06/566,557 →
V-Coupling for Installation in Narrow Annular Spaces
Patent:
4,681,353 →
Application:
06/631,795 →
Gimbal Joint for Piping Systems
Patent:
4,643,463 →
Application:
06/698,693 →
Slip Joint Assembly for a Split Ring Seal
Patent:
4,589,666 →
Application:
06/758,713 →
Split Ring Seal with Slip Joint
Application:
06/758,739 →
Sealed Rigid Pipe Joint
Patent:
4,779,901 →
Application:
07/005,397 →
Pressure Balanced S-Seal
Patent:
4,813,692 →
Application:
07/005,954 →
Low Profile V-Coupling
Application:
07/062,617 →
Related Assignments
(12)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
May 4, 1981
From: HALLING HORACE P.; SADOFF BERNARD J. JR.
To: PRESSURE SCIENCE INCORPORATED
Reel/Frame 003881/0977 →
Assignment of Assignors Interest.
Oct 29, 1982
From: HALLING, HORACE P.; BARRETT, ROBERT A.
To: PRESSURE SCIENCE INCORPORATED
Reel/Frame 004063/0782 →
Assignment of Assignors Interest.
Apr 26, 1983
From: HALLING, HORACE P.
To: PRESSURE SCIENCE INCORPORATED
Reel/Frame 004123/0161 →
Assignment of Assignors Interest.
Dec 29, 1983
From: HALLING, HORACE P.
To: PRESSURE SCIENCE INCORPORATED
Reel/Frame 004215/0667 →
Assignment of Assignors Interest.
Jul 17, 1984
From: HALLING, HORACE P.
To: PRESSURE SCIENCE INCORPORATED, A CORP OF MARYLAND
Reel/Frame 004290/0918 →
Assignment of Assignors Interest.
Feb 6, 1985
From: HALLING, HORACE P.; OH, SE J.
To: PRESSURE SCIENCE INCORPORATED 11642 OLD BALTIMORE PIKE, BELTSVILLE, MD 20705-1294 A MD CORP
Reel/Frame 004417/0329 →
Assignment of Assignors Interest.
Jul 25, 1985
From: HALLING, HORACE P.
To: PRESSURE SCIENCE INCORPORATED, A CORP OF MARYLAND
Reel/Frame 004435/0936 →
Assignment of Assignors Interest.
Jul 25, 1985
From: HALLING, HORACE P.
To: PRESSURE SCIENCE INCORPORATED A CORP OF MD
Reel/Frame 004435/0952 →
Assignment of Assignors Interest.
Jan 22, 1987
From: HALLING, HORACE P.; BARRETT, ROBERT A.; WOOZLEY, MARK E.
To: PRESSURE SCIENCE INCORPORATED, A CORP. OF MD
Reel/Frame 004662/0767 →
Assignment of Assignors Interest.
Jun 16, 1987
From: HALLING, HORACE P.; OH, THOMAS S.
To: PRESSURE SCIENCE INCORPORATED
Reel/Frame 004751/0923 →
Merger
Apr 23, 2001
From: EG&G PRESSURE SCIENCE, INC.
To: EG&G, INC.
Reel/Frame 011700/0617 →
Change of Name
Apr 23, 2001
From: EG & G, INC.
To: PERKINELMER, INC.
Reel/Frame 011700/0184 →