
John K. Peng
Supervisory Patent Examiner (ID: 9822, Phone: (571)272-7272 , Office: P/2600 )
| Most Active Art Unit | 2602 |
| Art Unit(s) | 2602, 2714, 2303, 2617 |
| Total Applications | 648 |
| Issued Applications | 604 |
| Pending Applications | 0 |
| Abandoned Applications | 44 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 16901506
[patent_doc_number] => 20210180422
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-06-17
[patent_title] => TROJAN DRILL PIPE
[patent_app_type] => utility
[patent_app_number] => 16/717982
[patent_app_country] => US
[patent_app_date] => 2019-12-17
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16717982
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/717982 | Trojan drill pipe | Dec 16, 2019 | Issued |
Array
(
[id] => 16901514
[patent_doc_number] => 20210180430
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-06-17
[patent_title] => SMART CIRCULATION SUB
[patent_app_type] => utility
[patent_app_number] => 16/716356
[patent_app_country] => US
[patent_app_date] => 2019-12-16
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/716356 | Smart circulation sub | Dec 15, 2019 | Issued |
Array
(
[id] => 17728226
[patent_doc_number] => 11384606
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-07-12
[patent_title] => Stop collar with interior lock elements
[patent_app_type] => utility
[patent_app_number] => 16/689646
[patent_app_country] => US
[patent_app_date] => 2019-11-20
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/689646 | Stop collar with interior lock elements | Nov 19, 2019 | Issued |
Array
(
[id] => 17665802
[patent_doc_number] => 11359484
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-06-14
[patent_title] => Expandable filtration media and gravel pack analysis using low frequency acoustic waves
[patent_app_type] => utility
[patent_app_number] => 16/688296
[patent_app_country] => US
[patent_app_date] => 2019-11-19
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Array
(
[id] => 17378564
[patent_doc_number] => 11236564
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[patent_kind] => B2
[patent_issue_date] => 2022-02-01
[patent_title] => Hybrid liner hanger and setting tool
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/685859 | Hybrid liner hanger and setting tool | Nov 14, 2019 | Issued |
Array
(
[id] => 16825554
[patent_doc_number] => 20210140847
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-05-13
[patent_title] => COILED TUBING INJECTOR TEST FIXTURE
[patent_app_type] => utility
[patent_app_number] => 16/680832
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[patent_app_date] => 2019-11-12
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Array
(
[id] => 16825007
[patent_doc_number] => 20210140300
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-05-13
[patent_title] => AUTOMATED REAL-TIME TRANSPORT RATIO CALCULATION
[patent_app_type] => utility
[patent_app_number] => 16/681332
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/681332 | Automated real-time transport ratio calculation | Nov 11, 2019 | Issued |
Array
(
[id] => 15558281
[patent_doc_number] => 20200063552
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-02-27
[patent_title] => PERMANENT OR REMOVABLE POSITIONING APPARATUS AND METHOD FOR DOWNHOLE TOOL OPERATIONS
[patent_app_type] => utility
[patent_app_number] => 16/673178
[patent_app_country] => US
[patent_app_date] => 2019-11-04
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/673178 | Permanent or removable positioning apparatus and method for downhole tool operations | Nov 3, 2019 | Issued |
Array
(
[id] => 17300247
[patent_doc_number] => 20210396086
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-12-23
[patent_title] => LINER HANGER WITH ENHANCED LOCKING ASSEMBLY
[patent_app_type] => utility
[patent_app_number] => 17/289640
[patent_app_country] => US
[patent_app_date] => 2019-11-01
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/289640 | Liner hanger with enhanced locking assembly | Oct 31, 2019 | Issued |
Array
(
[id] => 15833139
[patent_doc_number] => 20200131851
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-04-30
[patent_title] => TOP DRIVE
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/669295 | Top drive | Oct 29, 2019 | Issued |
Array
(
[id] => 16793502
[patent_doc_number] => 20210123319
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-04-29
[patent_title] => RUNNING LINES THROUGH EXPANDABLE METAL SEALING ELEMENTS
[patent_app_type] => utility
[patent_app_number] => 16/667678
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/667678 | Running lines through expandable metal sealing elements | Oct 28, 2019 | Issued |
Array
(
[id] => 17998274
[patent_doc_number] => 11499372
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[patent_kind] => B2
[patent_issue_date] => 2022-11-15
[patent_title] => Downhole tractor control systems and methods to adjust a load of a downhole motor
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/666169 | Downhole tractor control systems and methods to adjust a load of a downhole motor | Oct 27, 2019 | Issued |
Array
(
[id] => 18605145
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[patent_title] => Polycrystalline diamond compacts including a cemented carbide substrate and applications therefor
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Array
(
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Array
(
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Array
(
[id] => 15650919
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/568556 | HYDRO BORING SYSTEMS AND METHODS | Sep 11, 2019 | Abandoned |
Array
(
[id] => 16673827
[patent_doc_number] => 20210062590
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/560827 | Drilling system with circulation sub | Sep 3, 2019 | Issued |
Array
(
[id] => 17090257
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[patent_issue_date] => 2021-09-14
[patent_title] => High rate safety shutdown system with hydraulic driven fluid ends
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Array
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Array
(
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