skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : RIBEIRO, FLAVIO ERNESTO
Total Assignments: 11
Assignment: 1
Reel/Frame:026751/0001   Pages: 18
Recorded: 08/15/2011
Attorney Dkt #:0068905-000484
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARGER, SCOTT
Exec Dt:
07/28/2011
2
SOTELO, ARMANDO
Exec Dt:
07/20/2011
3
MICCO, DANIEL
Exec Dt:
07/19/2011
4
RIBEIRO, FLAVIO ERNESTO
Exec Dt:
07/23/2011
Assignee
1
PQ CORPORATION
300 LINDENWOOD DRIVE
VALLEYBROOKE CORPORATE CENTER
MALVERN, PENNSYLVANIA 19355-1740
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8192539
US20110283920
13111607
Correspondence name and address
DUANE A. STEWART III
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 2
Reel/Frame:027892/0505   Pages: 4
Recorded: 03/20/2012
Attorney Dkt #:0068905-000516
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RIBEIRO, FLAVIO ERNESTO
Exec Dt:
02/25/2012
Assignee
1
PQ CORPORATION
300 LINDENWOOD DRIVE
VALLEYBROOKE CORPORATE CENTER
MALVERN, PENNSYLVANIA 19355-1740
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8298331
US20120180702
13349778
Correspondence name and address
DUANE A. STEWART III
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 3
Reel/Frame:028940/0469   Pages: 14
Recorded: 09/12/2012
Attorney Dkt #:0068905-523/524
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIBEIRO, FLAVIO ERNESTO
Exec Dt:
08/23/2012
2
BAIRD, GARY A.
Exec Dt:
08/10/2012
3
DOS SANTOS FLOR, RONALDO
Exec Dt:
09/04/2012
Assignee
1
PQ CORPORATION
300 LINDENWOOD DRIVE
VALLEYBROOKE CORPORATE CENTER
MALVERN, PENNSYLVANIA 19355-1740
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8518369
US20130000510
13538166
Correspondence name and address
BUCHANAN INGERSOLL ROONEY PC
301 GRANT STREET, 20TH FLOOR
ONE OXFORD CENTRE
PITTSBURGH, PA 15219
Assignment: 4
Reel/Frame:029089/0161   Pages: 14
Recorded: 10/08/2012
Attorney Dkt #:0068905-000538
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MYSZAK, EDWARD A., JR.
Exec Dt:
08/01/2012
2
RIBEIRO, FLAVIO ERNESTO
Exec Dt:
08/23/2012
3
LITTLE, DALLAS N.
Exec Dt:
09/28/2012
Assignee
1
PQ CORPORATION
300 LINDENWOOD DRIVE
VALLEYBROOKE CORPORATE CENTER
MALVERN, PENNSYLVANIA 19355-1740
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130180431
13553382
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
ONE OXFORD CENTRE
301 GRANT STREET, 20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 5
Reel/Frame:050454/0766   Pages: 8
Recorded: 09/23/2019
Attorney Dkt #:0068905-000712
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIBEIRO, FLAVIO ERNESTO
Exec Dt:
09/18/2019
2
SHIPLEY, LARRY W.
Exec Dt:
09/18/2019
3
GINGRAS, LEO
Exec Dt:
09/13/2019
Assignee
1
KILT, LLC
300 LINDENWOOD DRIVE
VALLEYBROOKE CORPORATE CENTER
MALVERN, PENNSYLVANIA 19355-1740
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11618684
US20200071170
16549667
Correspondence name and address
MICHAEL L. DEVER
301 GRANT STREET, 20TH FLOOR
ONE OXFORD CENTRE
PITTSBURGH, PA 15219
Assignment: 6
Reel/Frame:050473/0277   Pages: 5
Recorded: 09/24/2019
Attorney Dkt #:0068905-000707
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIBEIRO, FLAVIO ERNESTO
Exec Dt:
09/18/2019
2
DOS SANTOS FLOR, RONALDO
Exec Dt:
09/20/2019
3
BATISTA, CARLOS HENRIQUE
Exec Dt:
09/20/2019
Assignee
1
PQ CORPORATION
300 LINDENWOOD DRIVE
VALLEY BROOKE CORPORATE CENTER
MALVERN, PENNSYLVANIA 19355-1740
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190382612
16488981
Correspondence name and address
MICHAEL L. DEVER
501 GRANT STREET
SUITE 200
PITTSBURGH, PA 15219
Assignment: 7
Reel/Frame:065477/0899   Pages: 8
Recorded: 11/07/2023
Attorney Dkt #:0068905-000712
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIBEIRO, FLAVIO ERNESTO
Exec Dt:
09/18/2019
2
SHIPLEY, LARRY W.
Exec Dt:
09/18/2019
3
GINGRAS, LEO
Exec Dt:
09/13/2019
Assignee
1
KILT, LLC
300 LINDENWOOD DRIVE
MALVERN, PENNSYLVANIA 19355-1740
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230227318
18186328
Correspondence name and address
MICHAEL L. DEVER
501 GRANT STREET
SUITE 200
PITTSBURGH, PA 15219
Assignment: 8
Reel/Frame:054387/0552   Pages: 8
Recorded: 11/17/2020
Attorney Dkt #:0068905-000690
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN DER EERDEN, JORIS ANTONIUS
Exec Dt:
08/25/2020
2
RIBEIRO, FLAVIO ERNESTO
Exec Dt:
08/19/2020
3
DOS SANTOS FLOR, RONALDO
Exec Dt:
08/20/2020
Assignee
1
PQ SILICA BRAZIL LTDA.
AV MARQUES DE SÃO VICENTE Nº 121
ANDAR 6 SALAS 601 À 610, BARRA FUNDA
SÃO PAULO, BRAZIL 01139-00
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11440806
US20220048779
16993661
Correspondence name and address
MICHAEL L. DEVER
501 GRANT STREET
SUITE 200
PITTSBURGH, PA 15219
Assignment: 9
Reel/Frame:067406/0855   Pages: 8
Recorded: 05/14/2024
Attorney Dkt #:0068905-000778
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN DER EERDEN, JORIS ANTONIUS
Exec Dt:
08/25/2020
2
RIBEIRO, FLAVIO ERNESTO
Exec Dt:
08/19/2020
3
DOS SANTOS FLOR, RONALDO
Exec Dt:
08/20/2020
Assignee
1
PQ SILICA BRAZIL LTDA.
AV MARQUES DE SAO VICENTE NO. 121
ANDAR 6 SALAS 601 A 610, BARRA FUNDA
SAO PAULO, BRAZIL 01139-00
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11679986
US20220144651
17583247
Correspondence name and address
MICHAEL L. DEVER
501 GRANT STREET
SUITE 200
PITTSBURGH, PA 15219
Assignment: 10
Reel/Frame:059133/0285   Pages: 4
Recorded: 03/01/2022
Attorney Dkt #:0068905-000779
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCDONALD, MICHAEL J.
Exec Dt:
02/01/2022
2
SHORT, KELLY PAUL
Exec Dt:
02/17/2022
3
BERG, KENNETH A.
Exec Dt:
02/01/2022
4
RIBEIRO, FLAVIO ERNESTO
Exec Dt:
02/28/2022
5
MORAN, JIM
Exec Dt:
02/23/2022
6
MARINESCU, PETER
Exec Dt:
02/03/2022
7
GUO, DAOPING
Exec Dt:
02/22/2022
Assignee
1
PQ, LLC
300 LINDENWOOD DRIVE
VALLEYBROOKE CORPORATE CENTER
MALVERN, PENNSYLVANIA 19355-1740
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11673835
US20220274881
17588942
Correspondence name and address
MICHAEL L. DEVER
501 GRANT STREET
SUITE 200
PITTSBURGH, PA 15219
Assignment: 11
Reel/Frame:060803/0027   Pages: 6
Recorded: 08/15/2022
Attorney Dkt #:0068905-000780
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIBEIRO, FLAVIO ERNESTO
Exec Dt:
08/05/2022
2
DOS SANTOS FLOR, RONALDO
Exec Dt:
08/14/2022
Assignee
1
PQ, LLC
300 LINDENWOOD DRIVE
VALLEYBROOKE CORPORATE CENTER
MALVERN, PENNSYLVANIA 19355-1740
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11773234
US20220251334
17665917
Correspondence name and address
MICHAEL L. DEVER
501 GRANT STREET
SUITE 200
PITTSBURGH, PA 15219

Search Results as of: 05/24/2024 03:42 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT