Search

David L. Andrews

Examiner (ID: 15064, Phone: (571)272-6558 , Office: P/3672 )

Most Active Art Unit
3672
Art Unit(s)
3672
Total Applications
1177
Issued Applications
805
Pending Applications
87
Abandoned Applications
303

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 14818659 [patent_doc_number] => 10406315 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-10 [patent_title] => Relation to valves [patent_app_type] => utility [patent_app_number] => 14/758889 [patent_app_country] => US [patent_app_date] => 2014-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4563 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 456 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14758889 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/758889
Relation to valves Jan 2, 2014 Issued
Array ( [id] => 11004863 [patent_doc_number] => 20160201813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-14 [patent_title] => 'SPOOL AND BODY ARCHITECTURES FOR THREE-POSITION DIRECTIONAL CONTROL VALVES' [patent_app_type] => utility [patent_app_number] => 14/758302 [patent_app_country] => US [patent_app_date] => 2013-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3825 [patent_no_of_claims] => 22 [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] => 14758302 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/758302
Spool and body architectures for three-position directional control valves Dec 30, 2013 Issued
Array ( [id] => 13066445 [patent_doc_number] => 10053998 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-21 [patent_title] => Multi-purpose gas turbine seal support and assembly [patent_app_type] => utility [patent_app_number] => 14/653243 [patent_app_country] => US [patent_app_date] => 2013-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 3639 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14653243 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/653243
Multi-purpose gas turbine seal support and assembly Dec 22, 2013 Issued
Array ( [id] => 10431051 [patent_doc_number] => 20150316064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-05 [patent_title] => 'MULTISTAGE COMPRESSOR AND METHOD FOR OPERATING A MULTISTAGE COMPRESSOR' [patent_app_type] => utility [patent_app_number] => 14/653940 [patent_app_country] => US [patent_app_date] => 2013-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5115 [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] => 14653940 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/653940
Multistage compressor and method for operating a multistage compressor Dec 15, 2013 Issued
Array ( [id] => 10998161 [patent_doc_number] => 20160195106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-07 [patent_title] => 'CENTRIFUGAL FAN, AND FAN EQUIPPED WITH SOUND-MUFFLING BOX AND USING CENTRIFUGAL FAN' [patent_app_type] => utility [patent_app_number] => 14/653782 [patent_app_country] => US [patent_app_date] => 2013-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6103 [patent_no_of_claims] => 13 [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] => 14653782 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/653782
CENTRIFUGAL FAN, AND FAN EQUIPPED WITH SOUND-MUFFLING BOX AND USING CENTRIFUGAL FAN Dec 15, 2013 Abandoned
Array ( [id] => 10445231 [patent_doc_number] => 20150330245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-19 [patent_title] => 'FLOW DIVERTER ELEMENT AND ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 14/653240 [patent_app_country] => US [patent_app_date] => 2013-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4213 [patent_no_of_claims] => 19 [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] => 14653240 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/653240
Flow diverter element and assembly Dec 15, 2013 Issued
Array ( [id] => 15786147 [patent_doc_number] => 10626788 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-21 [patent_title] => Methods and structure for reducing losses in 90 degree waste gates for turbochargers [patent_app_type] => utility [patent_app_number] => 14/653463 [patent_app_country] => US [patent_app_date] => 2013-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3888 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14653463 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/653463
Methods and structure for reducing losses in 90 degree waste gates for turbochargers Dec 1, 2013 Issued
Array ( [id] => 10445226 [patent_doc_number] => 20150330240 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-19 [patent_title] => 'TURBOCHARGER OUTBOARD PURGE SEAL' [patent_app_type] => utility [patent_app_number] => 14/652968 [patent_app_country] => US [patent_app_date] => 2013-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6462 [patent_no_of_claims] => 15 [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] => 14652968 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/652968
TURBOCHARGER OUTBOARD PURGE SEAL Nov 25, 2013 Abandoned
Array ( [id] => 14330009 [patent_doc_number] => 10296020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-21 [patent_title] => Booster valve for pneumatic circuits [patent_app_type] => utility [patent_app_number] => 15/032990 [patent_app_country] => US [patent_app_date] => 2013-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3484 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15032990 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/032990
Booster valve for pneumatic circuits Nov 4, 2013 Issued
Array ( [id] => 10391071 [patent_doc_number] => 20150276078 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-01 [patent_title] => 'Valve Stem and Valve Core Assembly and Valve Comprising the Assembly' [patent_app_type] => utility [patent_app_number] => 14/437825 [patent_app_country] => US [patent_app_date] => 2013-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3627 [patent_no_of_claims] => 10 [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] => 14437825 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/437825
Valve stem and valve core assembly and valve comprising the assembly Oct 21, 2013 Issued
Array ( [id] => 11480989 [patent_doc_number] => 09587523 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-03-07 [patent_title] => 'Oil control valve' [patent_app_type] => utility [patent_app_number] => 14/436259 [patent_app_country] => US [patent_app_date] => 2013-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 8402 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 396 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14436259 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/436259
Oil control valve Oct 9, 2013 Issued
Array ( [id] => 10949770 [patent_doc_number] => 20140352792 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-04 [patent_title] => 'SYSTEM AND METHOD FOR CONTROLLING HYDROGEN CHARGING FOR VEHICLE' [patent_app_type] => utility [patent_app_number] => 14/050665 [patent_app_country] => US [patent_app_date] => 2013-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2503 [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] => 14050665 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/050665
SYSTEM AND METHOD FOR CONTROLLING HYDROGEN CHARGING FOR VEHICLE Oct 9, 2013 Abandoned
Array ( [id] => 11793428 [patent_doc_number] => 09403125 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-02 [patent_title] => 'Valve with air-gap provision to prevent backflow' [patent_app_type] => utility [patent_app_number] => 14/048122 [patent_app_country] => US [patent_app_date] => 2013-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2892 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14048122 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/048122
Valve with air-gap provision to prevent backflow Oct 7, 2013 Issued
Array ( [id] => 10211628 [patent_doc_number] => 20150096620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-09 [patent_title] => 'OIL-LESS PUMP SAMPLING SYSTEM AND METHOD' [patent_app_type] => utility [patent_app_number] => 14/047952 [patent_app_country] => US [patent_app_date] => 2013-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3283 [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] => 14047952 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/047952
OIL-LESS PUMP SAMPLING SYSTEM AND METHOD Oct 6, 2013 Abandoned
Array ( [id] => 11902610 [patent_doc_number] => 09772039 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-09-26 [patent_title] => 'Hydraulic pressure control valve' [patent_app_type] => utility [patent_app_number] => 14/045848 [patent_app_country] => US [patent_app_date] => 2013-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 22 [patent_no_of_words] => 11414 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 358 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14045848 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/045848
Hydraulic pressure control valve Oct 3, 2013 Issued
Array ( [id] => 10211627 [patent_doc_number] => 20150096619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-09 [patent_title] => 'HYDRAULIC VALVE ASSEMBLY WITH TANK RETURN FLOW COMPENSATION' [patent_app_type] => utility [patent_app_number] => 14/046328 [patent_app_country] => US [patent_app_date] => 2013-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4697 [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] => 14046328 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/046328
Hydraulic valve assembly with tank return flow compensation Oct 3, 2013 Issued
Array ( [id] => 10588298 [patent_doc_number] => 09309903 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-12 [patent_title] => 'Vortex generators' [patent_app_type] => utility [patent_app_number] => 14/042443 [patent_app_country] => US [patent_app_date] => 2013-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4638 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14042443 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/042443
Vortex generators Sep 29, 2013 Issued
Array ( [id] => 9898084 [patent_doc_number] => 20150053283 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-26 [patent_title] => 'OFF-AXIS POSITION MONITORING AND CONTROL SYSTEM AND RELATED METHODS' [patent_app_type] => utility [patent_app_number] => 14/038674 [patent_app_country] => US [patent_app_date] => 2013-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5538 [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] => 14038674 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/038674
Off-axis position monitoring and control system and related methods Sep 25, 2013 Issued
Array ( [id] => 9380042 [patent_doc_number] => 20140083523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-27 [patent_title] => 'APPARATUS AND METHOD FOR PURGING GASEOUS COMPOUNDS' [patent_app_type] => utility [patent_app_number] => 14/036170 [patent_app_country] => US [patent_app_date] => 2013-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 916 [patent_no_of_claims] => 16 [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] => 14036170 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/036170
Apparatus and method for purging gaseous compounds Sep 24, 2013 Issued
Array ( [id] => 10198968 [patent_doc_number] => 20150083954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-26 [patent_title] => 'PRESSURE EQUALIZING VALVE' [patent_app_type] => utility [patent_app_number] => 14/035483 [patent_app_country] => US [patent_app_date] => 2013-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5096 [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] => 14035483 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/035483
Pressure equalizing valve Sep 23, 2013 Issued
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