Granted Patent
Utility
US 6,500,221
· Confirmation No. 4702
COOLED TUBES ARRANGED TO FORM IMPACT TYPE PARTICLE SEPARATORS
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2021-07-01 | OATH |
Oath or Declaration filed | 56 | View | |
| 2001-10-16 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-10-16 | DRW |
Drawings-only black and white line drawings | 21 | View | |
| 2001-05-25 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-05-25 | SPEC |
Specification | 17 | View | |
| 2001-05-25 | CLM |
Claims | 7 | View | |
| 2001-05-25 | ABST |
Abstract | 1 | View | |
| 2001-05-25 | DRW |
Drawings-only black and white line drawings | 20 | View | |
| 2001-05-25 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
David J. Walker
Wadsworth, OH
Sundara M. Kavidass
Uniontown, OH
Mikhail Maryamchik
Copley Township, OH
Felix Belin
Brecksville, OH
Kiplin C. Alexander
Wadsworth, OH
David R. Gibbs
Pleasant Township, OH
David E. James
Barberton, OH
Donald L. Wietzke
Carlsbad, CA
Attorneys & Agents of Record
Classification
USPC
55/444
B01D45/08
F22B31/0084
F23C10/08
Prosecution
- Examiner
- PHAM, MINH CHAU THI
- Art Unit
- 1724
- Docket No.
- CASE 6111
- Confirmation No.
- 4702
Publication
- Pub. No.
- US20020020158A1
- Pub. Date
- 2002-02-21
Patent Term Adjustment
-56days
DIAMOND POWER INTERNATIONAL, LLC (F/K/A DIAMOND POWER INTERNATIONAL, INC.),
MEGTEC TURBOSONIC TECHNOLOGIES, INC.,
THE BABCOCK & WILCOX COMPANY (F/K/A BABCOCK & WILCOX POWER GENERATION GROUP, INC.),
BABCOCK & WILCOX SPIG, INC.,
BABCOCK & WILCOX TECHNOLOGY, LLC (F/K/A MCDERMOTT TECHNOLOGY, INC.),
SOFCO-EFS HOLDINGS LLC,
BABCOCK & WILCOX MEGTEC, LLC
RELEASE OF SECURITY INTEREST
Recorded 2021-07-01
BABCOCK & WILCOX ENTERPRISES, INC.,
THE BABCOCK & WILCOX COMPANY,
DIAMOND POWER INTERNATIONAL, LLC,
BABCOCK & WILCOX MEGTEC, LLC,
MEGTEC TURBOSONIC TECHNOLOGIES, INC.,
BABCOCK & WILCOX UNIVERSAL, INC.,
BABCOCK & WILCOX TECHNOLOGY, LLC
RELEASE OF SECURITY INTEREST
Recorded 2018-05-17
CHANGE OF NAME
Recorded 2015-09-24
SECURITY INTEREST
Recorded 2015-07-28
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE NAME PREVIOUSLY RECORDED AT REEL: 021998 FRAME: 0870. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGE OF NAME.
Recorded 2015-06-09
SECURITY INTEREST
Recorded 2014-07-22
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS
Recorded 2010-09-30
THE BABCOCK & WILCOX COMPANY,
AMERICON EQUIPMENT SERVICES, INC.,
AMERICON, INC.,
APPLIED SYNERGISTICS, INC.,
B & W SERVICE COMPANY,
BABCOCK & WILCOX CHINA HOLDINGS, INC.,
BABCOCK & WILCOX CONSTRUCTION CO., INC.,
BABCOCK & WILCOX DENMARK HOLDINGS, INC.,
BABCOCK & WILCOX EBENSBURG POWER, INC.,
BABCOCK & WILCOX EQUITY INVESTMENTS, INC.,
BABCOCK & WILCOX INTERNATIONAL SALES AND SERVICE CORPORATION,
BABCOCK & WILCOX INTERNATIONAL, INC.,
DIAMOND OPERATING CO., INC.,
DIAMOND POWER AUSTRALIA HOLDINGS, INC.,
DIAMOND POWER CHINA HOLDINGS, INC.,
DIAMOND POWER EQUITY INVESTMENTS, INC.,
DIAMOND POWER INTERNATIONAL, INC.,
PALM BEACH RESOURCE RECOVERY CORPORATION,
POWER SYSTEMS OPERATIONS, INC.,
REVLOC RECLAMATION SERVICE, INC.,
NATIONAL ECOLOGY COMPANY,
NORTH COUNTY RECYCLING, INC.
RELEASE OF SECURITY INTEREST
Recorded 2010-08-03
CHANGE OF NAME
Recorded 2008-12-19
SECURITY AGREEMENT
Recorded 2006-03-22
from
WEITZKE, DONALD L.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-03-22
from
ALEXANDER, KIPLIN C.,
MARYAMCHIK, MIKHAIL,
WALKER, DAVID J.,
GIBBS, DAVID R.,
KAVIDAAS, SUNDARA M.,
BELIN, FELIX,
JAMES, DAVID E.,
WIETZKE, DONALD L.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-09-04
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Quick Facts
- Patent No.
- US 6,500,221
- App. No.
- 09/865,609
- Filed
- 2001-05-25
- Granted
- 2002-12-31
- Pub. No.
- US20020020158A1
- Examiner
- PHAM, MINH CHAU THI
- Art Unit
- 1724
- PTA
- -56 days
External Links