Search

Lois L. Zheng

Examiner (ID: 10434, Phone: (571)272-1248 , Office: P/1733 )

Most Active Art Unit
1733
Art Unit(s)
1742, 1793, 1733
Total Applications
1149
Issued Applications
663
Pending Applications
149
Abandoned Applications
347

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 12429666 [patent_doc_number] => 09976398 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-22 [patent_title] => Sensing in artificial lift systems [patent_app_type] => utility [patent_app_number] => 14/250196 [patent_app_country] => US [patent_app_date] => 2014-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5241 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14250196 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/250196
Sensing in artificial lift systems Apr 9, 2014 Issued
Array ( [id] => 11299313 [patent_doc_number] => 09507319 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-29 [patent_title] => 'Flow control diverter valve' [patent_app_type] => utility [patent_app_number] => 14/245433 [patent_app_country] => US [patent_app_date] => 2014-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 6055 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14245433 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/245433
Flow control diverter valve Apr 3, 2014 Issued
Array ( [id] => 11487478 [patent_doc_number] => 09593544 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-03-14 [patent_title] => 'Clamp assembly' [patent_app_type] => utility [patent_app_number] => 14/244976 [patent_app_country] => US [patent_app_date] => 2014-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 3307 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14244976 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/244976
Clamp assembly Apr 3, 2014 Issued
Array ( [id] => 11613031 [patent_doc_number] => 09650880 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-16 [patent_title] => 'Waveform anti-stick slip system and method' [patent_app_type] => utility [patent_app_number] => 14/244556 [patent_app_country] => US [patent_app_date] => 2014-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 10676 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14244556 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/244556
Waveform anti-stick slip system and method Apr 2, 2014 Issued
Array ( [id] => 10929184 [patent_doc_number] => 20140332205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-11-13 [patent_title] => 'Anchor Slip and Seal Locking Mechanism' [patent_app_type] => utility [patent_app_number] => 14/243316 [patent_app_country] => US [patent_app_date] => 2014-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1784 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14243316 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/243316
Anchor slip and seal locking mechanism Apr 1, 2014 Issued
Array ( [id] => 15667543 [patent_doc_number] => 10597993 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-24 [patent_title] => Artificial lift system [patent_app_type] => utility [patent_app_number] => 14/223722 [patent_app_country] => US [patent_app_date] => 2014-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9162 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 551 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14223722 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/223722
Artificial lift system Mar 23, 2014 Issued
Array ( [id] => 11101449 [patent_doc_number] => 20160298419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-13 [patent_title] => 'FLOW SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/777796 [patent_app_country] => US [patent_app_date] => 2014-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 13129 [patent_no_of_claims] => 52 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14777796 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/777796
Flow system Mar 16, 2014 Issued
Array ( [id] => 10014211 [patent_doc_number] => 09057222 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-06-16 [patent_title] => 'Mud motor' [patent_app_type] => utility [patent_app_number] => 14/207079 [patent_app_country] => US [patent_app_date] => 2014-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4449 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14207079 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/207079
Mud motor Mar 11, 2014 Issued
Array ( [id] => 13000965 [patent_doc_number] => 10024144 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-17 [patent_title] => Thick wall shouldered launcher [patent_app_type] => utility [patent_app_number] => 14/201587 [patent_app_country] => US [patent_app_date] => 2014-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2140 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14201587 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/201587
Thick wall shouldered launcher Mar 6, 2014 Issued
Array ( [id] => 11576186 [patent_doc_number] => 09631434 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-04-25 [patent_title] => 'Underreamer for increasing a wellbore diameter' [patent_app_type] => utility [patent_app_number] => 14/198816 [patent_app_country] => US [patent_app_date] => 2014-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7342 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14198816 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/198816
Underreamer for increasing a wellbore diameter Mar 5, 2014 Issued
Array ( [id] => 9541655 [patent_doc_number] => 20140166302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-19 [patent_title] => 'INTELLIGENT COMPLETION SYSTEM FOR EXTENDED REACH DRILLING WELLS' [patent_app_type] => utility [patent_app_number] => 14/188317 [patent_app_country] => US [patent_app_date] => 2014-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7259 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14188317 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/188317
INTELLIGENT COMPLETION SYSTEM FOR EXTENDED REACH DRILLING WELLS Feb 23, 2014 Abandoned
Array ( [id] => 11357812 [patent_doc_number] => 09534457 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-03 [patent_title] => 'Drilling apparatus with drill guide' [patent_app_type] => utility [patent_app_number] => 14/182662 [patent_app_country] => US [patent_app_date] => 2014-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 3803 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14182662 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/182662
Drilling apparatus with drill guide Feb 17, 2014 Issued
Array ( [id] => 9667280 [patent_doc_number] => 20140231143 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-21 [patent_title] => 'Pressure Compensation System for a Motor Bearing Assembly' [patent_app_type] => utility [patent_app_number] => 14/181356 [patent_app_country] => US [patent_app_date] => 2014-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4787 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14181356 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/181356
Pressure compensation system for a motor bearing assembly Feb 13, 2014 Issued
Array ( [id] => 10671532 [patent_doc_number] => 20160017677 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-21 [patent_title] => 'RELEASE VALVE USED IN AN INNER TUBE ASSEMBLY FOR USE WITH A CORE BARREL' [patent_app_type] => utility [patent_app_number] => 14/771796 [patent_app_country] => US [patent_app_date] => 2014-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 7409 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14771796 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/771796
Release valve used in an inner tube assembly for use with a core barrel Feb 10, 2014 Issued
Array ( [id] => 10341030 [patent_doc_number] => 20150226034 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-13 [patent_title] => 'Apparatus and Method for Perforating a Wellbore Casing, And Method and Apparatus for Fracturing a Formation' [patent_app_type] => utility [patent_app_number] => 14/178056 [patent_app_country] => US [patent_app_date] => 2014-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10077 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14178056 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/178056
Apparatus and method for perforating a wellbore casing, and method and apparatus for fracturing a formation Feb 10, 2014 Issued
Array ( [id] => 11635559 [patent_doc_number] => 09657519 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-23 [patent_title] => 'Nutating fluid-mechanical energy converter to power wellbore drilling' [patent_app_type] => utility [patent_app_number] => 14/410416 [patent_app_country] => US [patent_app_date] => 2014-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 6208 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14410416 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/410416
Nutating fluid-mechanical energy converter to power wellbore drilling Jan 29, 2014 Issued
Array ( [id] => 9631715 [patent_doc_number] => 20140209823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-31 [patent_title] => 'Magnetic Valve Assembly' [patent_app_type] => utility [patent_app_number] => 14/146476 [patent_app_country] => US [patent_app_date] => 2014-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 11850 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14146476 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/146476
Magnetic Valve Assembly Jan 1, 2014 Abandoned
Array ( [id] => 14853237 [patent_doc_number] => 10415334 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-17 [patent_title] => Flow guides for regulating pressure change in hydraulically-actuated downhole tools [patent_app_type] => utility [patent_app_number] => 14/910096 [patent_app_country] => US [patent_app_date] => 2013-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 7884 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14910096 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/910096
Flow guides for regulating pressure change in hydraulically-actuated downhole tools Dec 30, 2013 Issued
Array ( [id] => 9557121 [patent_doc_number] => 20140174833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-26 [patent_title] => 'POSITIONING STABILIZER ASSEMBLY USING SHOULDER RING' [patent_app_type] => utility [patent_app_number] => 14/135696 [patent_app_country] => US [patent_app_date] => 2013-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 6455 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14135696 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/135696
POSITIONING STABILIZER ASSEMBLY USING SHOULDER RING Dec 19, 2013 Abandoned
Array ( [id] => 10291356 [patent_doc_number] => 20150176355 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-25 [patent_title] => 'ADJUSTABLE CORING ASSEMBLY AND METHOD OF USING SAME' [patent_app_type] => utility [patent_app_number] => 14/136856 [patent_app_country] => US [patent_app_date] => 2013-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4468 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14136856 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/136856
Adjustable coring assembly and method of using same Dec 19, 2013 Issued
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