IP Library › Assignment 005481/0243
Patent Assignment
Reel/Frame 005481/0243

Security Interest

Recorded: 1990-10-18 Pages: 16
Assignor
Assignee
FLEET NATIONAL BANK
111 WESTMINSTER STREET, PROVIDENCE, RHODE ISLAND, 02903
Covered Properties (57)
Title Not Available
Patent: 3,612,549 →
Application: 05/040,155 →
Magnetic Fluid Seals
Patent: 3,620,584 →
Application: 05/040,246 →
Ferro Fluid Compositions and Process of Making Same
Patent: 3,917,538 →
Application: 05/324,414 →
Diameter Control in Crystal Rod Pulling
Patent: 4,207,293 →
Application: 05/857,331 →
Ferrofluid Centrifugal Seal
Patent: 4,200,296 →
Application: 05/964,601 →
Self-Activating Ferrofluid Seals
Patent: 4,252,353 →
Application: 06/033,466 →
Self-Activating Ferrofluid Seal and Method
Patent: 4,252,328 →
Application: 06/145,828 →
Linear Drive Shaft Seal
Patent: 4,284,605 →
Application: 06/149,141 →
Linear Seal Apparatus
Patent: 4,309,040 →
Application: 06/155,949 →
Chain Introduction Means for a Crystal Growth Pulling Head
Patent: 4,301,120 →
Application: 06/183,540 →
Stable Ferrofluid Compositions and Method of Making Same
Patent: 4,356,098 →
Application: 06/187,317 →
Ferrofluid Rotaryshaft Seal
Patent: 4,357,021 →
Application: 06/208,287 →
Ferrofluid Rotary-Shaft Seal Apparatus and Method
Patent: 4,357,022 →
Application: 06/208,288 →
Ferrofluid Rotary-Shaft Seal Apparatus and Method
Patent: 4,357,023 →
Application: 06/208,289 →
Ferrofluid Rotary-Shaft Seal Apparatus and Method
Patent: 4,357,024 →
Application: 06/208,290 →
Ferrofluid Seal Apparatus
Patent: 4,340,233 →
Application: 06/208,438 →
Low-Vapor-Pressure Ferrofluids and Method of Making Same
Patent: 4,315,827 →
Application: 06/234,561 →
Crystal Growing Furnace Pulling Head
Patent: 4,371,502 →
Application: 06/249,196 →
Method for Circumferential Dimension Measuring Control in Crystal Rod Pulling
Patent: 4,350,557 →
Application: 06/257,591 →
Apparatus for and Method of Sealing Shafts in Crystal-Growing Furnace Systems
Patent: 4,406,731 →
Application: 06/271,980 →
Apparatus for and Method of Handling Crystals Frm Crystal-Growing Furnaces
Patent: 4,350,560 →
Application: 06/298,242 →
Single-Pole-Piece Ferrofluid Seal Apparatus and Exclusion Seal System
Patent: 4,407,508 →
Application: 06/450,339 →
Nonbursting Multiple-Stage Ferrofluid Seal and System
Patent: 4,407,518 →
Application: 06/455,065 →
Ferrofluid Composition and Method of Making and Using Same
Patent: 4,430,239 →
Application: 06/464,480 →
Self-Activating Ferrofluid Seal Apparatus and Method
Patent: 4,444,398 →
Application: 06/468,333 →
Nonbursting Magnetic Liquid Seals for High Vacuum Applications
Patent: 4,445,696 →
Application: 06/468,339 →
Ferrofluid-Pole-Piece-Magnet Apparatus
Patent: 4,489,950 →
Application: 06/497,856 →
Ferrofluid Thrust and Radial Bearing Assembly
Patent: 4,526,484 →
Application: 06/534,415 →
Compact Ferrofluid Seal and Bearing Assembly
Patent: 4,531,846 →
Application: 06/565,333 →
Bearing Assembly with Integrated Ferrofluid Seal
Patent: 4,628,384 →
Application: 06/569,189 →
Stabilized Ferrofluid-Ferrofluid Seal Apparatus and Method
Patent: 4,526,379 →
Application: 06/569,190 →
Single Pole Piece Multiple-Stage Ferrofluid Seal Apparatus
Patent: 4,526,380 →
Application: 06/574,358 →
Ferrofluid Seal Apparatus and Method
Patent: 4,478,424 →
Application: 06/574,359 →
High-Pressure Ferrofluid Seal Apparatus
Patent: 4,527,805 →
Application: 06/606,582 →
Ferrofluid Linear Seal Apparatus
Patent: 4,502,700 →
Application: 06/606,585 →
Radially Polarized Multiple-Stage Ferrofluid Seal Apparatus
Patent: 4,526,382 →
Application: 06/606,586 →
Self-Activating Ferrofluid Seal Apparatus and Method of Use
Patent: 4,506,895 →
Application: 06/645,399 →
Coaxial, Multiple-Shaft Ferrofluid Seal Apparatus
Patent: 4,545,587 →
Application: 06/673,545 →
Coaxial, Multiple-Shaft Ferrofluid Seal Apparatus
Patent: 4,575,102 →
Application: 06/673,550 →
Pulling Head for a Crystal Growing Furnace
Patent: 4,663,128 →
Application: 06/709,056 →
Electrically Conductive Ferrofluid Compositions and Method of Preparing and Using Same
Patent: 4,604,229 →
Application: 06/713,757 →
Stable Ferrofluid Composition and Method of Making and Using Same
Patent: 4,604,222 →
Application: 06/736,388 →
Electrically Conductive Ferrofluid Bearing and Seal Apparatus and Low- Viscosity Electrically Conductive Ferrofluid Used Therein
Patent: 4,673,997 →
Application: 06/773,627 →
Ferrofluid Exclusion Seal and Method of Assembly
Patent: 4,817,964 →
Application: 06/779,983 →
Ferrofluid Bearing and Seal Apparatus
Patent: 4,630,943 →
Application: 06/833,841 →
Bearing Assembly with Integrated Ferrofluid Seal
Patent: 4,692,826 →
Application: 06/851,799 →
Low Viscosity, Electrically Conductive Ferrofluid Composition and Method of Making and Using Same
Patent: 4,687,596 →
Application: 06/875,985 →
Ferrofluid Seal for a Stationary Shaft and a Rotating Hub
Patent: 4,694,213 →
Application: 06/933,485 →
Compact Ferrofluidic Electrically Conducting Sealed Bearing
Patent: 4,797,013 →
Application: 07/012,193 →
Compact Magnetic Fluid Low Pressure Seal
Patent: 4,772,032 →
Application: 07/020,460 →
Low Viscosity, Electrically Conductive Ferrofluid Composition and Method of Making and Using Same
Patent: 4,732,706 →
Application: 07/054,412 →
Compact Long-Life Magnetic Fluid Seal
Patent: 4,830,384 →
Application: 07/068,012 →
Tapered Ferrofluid Seal
Patent: 4,890,850 →
Application: 07/182,510 →
Compact Magnetic Fluid Low Pressure Seal
Patent: 4,824,122 →
Application: 07/215,735 →
Ferrofluid Seal with Epoxy Pole Pieces
Patent: 4,927,164 →
Application: 07/229,640 →
Compact Ferrofluidic Electrically Conducting Sealed Bearing
Patent: 4,898,480 →
Application: 07/263,539 →
Long-Life Multi-Stage Ferrofluid Seals Incorporating a Ferrofluid Reservoir
Patent: 4,865,334 →
Application: 07/267,263 →
Related Assignments (16)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Sep 15, 1980
From: CHAGNON MARK S.
To: FERROFLUIDICS CORPORATION
Reel/Frame 003815/0626 →
Assignment of Assignors Interest. Nov 19, 1980
From: RAJ KULDIP; SCHWARTZMAN ALAN
To: FERROFLUIDICS CORPORATION, A CORP. OF MASS.
Reel/Frame 003833/0208 →
Assignment of Assignors Interest. Nov 19, 1980
From: RAJ KULDIP
To: FERROFLUIDICS CORPORATION, A CORP. OF MASS.
Reel/Frame 003833/0205 →
Assignment of Assignors Interest. Nov 19, 1980
From: YAMAMURA AKIRA
To: FERROFLUIDICS CORPORATION, A CORP. OF MASS.
Reel/Frame 003833/0206 →
Assignment of Assignors Interest. Nov 19, 1980
From: RAJ KULDIP
To: FERROFLUIDICS CORPORATION, A CORP. OF MASS.
Reel/Frame 003833/0207 →
Assignment of Assignors Interest. Nov 19, 1980
From: YAMAMURA AKIRA; RAJ KULDIP
To: FERROFLUIDICS CORPORATION, A CORP. OF MA.
Reel/Frame 003832/0047 →
Assignment of Assignors Interest. Nov 20, 1980
From: SIBELY CLIFTON B.
To: VARIAN ASSOCIATES, INC., A CORP. OF DE
Reel/Frame 003811/0515 →
Certificate Filed in the Office of Secretary of State of Massacusetts Showing Change of Address Effective Feb.15.1980 Feb 9, 1981
From: FERROFLUIDICS CORPORATION, 144 MIDDLESEX TURNPIKE, BURLINGTON, MASS.
To: FERROFLUIDICS CORPORATION
Reel/Frame 003830/0095 →
Assignment of Assignors Interest. Mar 2, 1981
From: VARIAN ASSOCIATES, INC.
To: FERROFLUIDICS CORPORATION, A CORP. OF MA.
Reel/Frame 003836/0173 →
Assignment of Assignors Interest. Jun 9, 1981
From: CHARTIER, CARL P.
To: FERROFLUIDICS CORPORATION
Reel/Frame 003894/0132 →
Assignment of Assignors Interest. Aug 7, 1981
From: HELGELAND, WALTER; TEVEROVSKY, ALEX; KERWIN, KENNETH H. II; CHARTIER, CARL P.
To: FERROFLUIDICS CORPORATION
Reel/Frame 003917/0472 →
Assignment of Assignors Interest. Dec 16, 1982
From: RAJ, KULDIP; CASCIARI, RAOUL
To: FERROFLUIDICS CORPORATION, A CORP. OF MA
Reel/Frame 004108/0694 →
Assignment of Assignors Interest. Jan 5, 1983
From: YAMAMURA, AKIRA; MOSKOWITZ, RONALD; RAJ, KULDIP; KERN, JAMES L.
To: FERROFLUIDICS CORPORATION, A CORP OF MA.
Reel/Frame 004084/0252 →
Assignment of Assignors Interest. Feb 7, 1983
From: WYMAN, JOHN E.
To: FERROFLUIDICS CORPORATION A COORP OF MASS.
Reel/Frame 004095/0302 →
Assignment of Assignors Interest. Aug 15, 1983
From: BERKOWITZ MELVIN H
To: FERROFLUIDICS CORPORATION 40 SIMON ST HASHUA NH 03061 A MA CORP
Reel/Frame 004175/0035 →
Assignment of Assignor's Interest May 24, 1999
From: FERROFLUIDICS CORPORATION
To: GENERAL SIGNAL TECHNOLOGY CORPORATION
Reel/Frame 009968/0884 →