Search

Mary Alice Davis

Examiner (ID: 18524, Phone: (571)272-9965 , Office: P/3748 )

Most Active Art Unit
3748
Art Unit(s)
3748, 3746
Total Applications
1275
Issued Applications
952
Pending Applications
79
Abandoned Applications
267

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18013048 [patent_doc_number] => 11505327 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-22 [patent_title] => Gas delivery augmenter with pump mechanism [patent_app_type] => utility [patent_app_number] => 16/820059 [patent_app_country] => US [patent_app_date] => 2020-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4042 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16820059 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/820059
Gas delivery augmenter with pump mechanism Mar 15, 2020 Issued
Array ( [id] => 17208320 [patent_doc_number] => 11168683 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-09 [patent_title] => Pressure balancing system for a fluid pump [patent_app_type] => utility [patent_app_number] => 16/817049 [patent_app_country] => US [patent_app_date] => 2020-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 4689 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16817049 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/817049
Pressure balancing system for a fluid pump Mar 11, 2020 Issued
Array ( [id] => 18135138 [patent_doc_number] => 11560795 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-24 [patent_title] => Scroll compressor with asymmetrical Oldham's ring [patent_app_type] => utility [patent_app_number] => 16/817041 [patent_app_country] => US [patent_app_date] => 2020-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 14173 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16817041 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/817041
Scroll compressor with asymmetrical Oldham's ring Mar 11, 2020 Issued
Array ( [id] => 18605329 [patent_doc_number] => 11746786 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Lubricant receptacle [patent_app_type] => utility [patent_app_number] => 17/438170 [patent_app_country] => US [patent_app_date] => 2020-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5063 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17438170 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/438170
Lubricant receptacle Mar 9, 2020 Issued
Array ( [id] => 17596308 [patent_doc_number] => 20220145882 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => PROGRESSING CAVITY DEVICES AND ASSEMBLIES FOR COUPLING MULTIPLE STAGES OF PROGRESSING CAVITY DEVICES [patent_app_type] => utility [patent_app_number] => 17/438019 [patent_app_country] => US [patent_app_date] => 2020-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16613 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17438019 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/438019
Progressing cavity devices and assemblies for coupling multiple stages of progressing cavity devices Mar 9, 2020 Issued
Array ( [id] => 19609279 [patent_doc_number] => 12158147 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-03 [patent_title] => Slide valve of a single screw compressor [patent_app_type] => utility [patent_app_number] => 17/431709 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 1003 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 349 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17431709 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/431709
Slide valve of a single screw compressor Feb 19, 2020 Issued
Array ( [id] => 19312199 [patent_doc_number] => 12038004 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Positive displacement pump with bearings, a keying device, and gears [patent_app_type] => utility [patent_app_number] => 17/759241 [patent_app_country] => US [patent_app_date] => 2020-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 9568 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 563 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17759241 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/759241
Positive displacement pump with bearings, a keying device, and gears Feb 11, 2020 Issued
Array ( [id] => 17023027 [patent_doc_number] => 20210246898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => PUMP ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/784502 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4881 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16784502 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/784502
Pump assembly with pump chambers located radially relative to one another and connected serially Feb 6, 2020 Issued
Array ( [id] => 18165536 [patent_doc_number] => 20230032135 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => GEAR PUMP OR GEAR MOTOR [patent_app_type] => utility [patent_app_number] => 17/789335 [patent_app_country] => US [patent_app_date] => 2020-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4613 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17789335 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/789335
Gear pump or motor with communication paths to suction and discharge in closed space between the drive and driven gears Jan 29, 2020 Issued
Array ( [id] => 17548938 [patent_doc_number] => 20220120279 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => ROUGH-VACUUM PUMP OF DRY TYPE [patent_app_type] => utility [patent_app_number] => 17/427785 [patent_app_country] => US [patent_app_date] => 2020-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5137 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17427785 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/427785
ROUGH-VACUUM PUMP OF DRY TYPE Jan 21, 2020 Abandoned
Array ( [id] => 18261131 [patent_doc_number] => 11608828 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-21 [patent_title] => Rotary pump with axial compensation, outlet gasket for a pump and pre-fitted pump unit [patent_app_type] => utility [patent_app_number] => 17/416820 [patent_app_country] => US [patent_app_date] => 2019-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 24596 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 363 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17416820 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/416820
Rotary pump with axial compensation, outlet gasket for a pump and pre-fitted pump unit Dec 26, 2019 Issued
Array ( [id] => 17386468 [patent_doc_number] => 20220034320 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => DUAL-CYLINDER TWO-STAGE VARIABLE CPACITY COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/059294 [patent_app_country] => US [patent_app_date] => 2019-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3724 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17059294 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/059294
Dual-cylinder two-stage variable cpacity compressor Dec 26, 2019 Issued
Array ( [id] => 16074311 [patent_doc_number] => 20200191142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => OIL PUMP [patent_app_type] => utility [patent_app_number] => 16/712043 [patent_app_country] => US [patent_app_date] => 2019-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11250 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16712043 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/712043
OIL PUMP Dec 11, 2019 Abandoned
Array ( [id] => 18140097 [patent_doc_number] => 20230013936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => SCREW PUMP OR MACHINE [patent_app_type] => utility [patent_app_number] => 17/783893 [patent_app_country] => US [patent_app_date] => 2019-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6503 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17783893 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/783893
Screw pump or machine with a liner that bends and/or pivots with the rotors Dec 9, 2019 Issued
Array ( [id] => 17860412 [patent_doc_number] => 11441564 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-13 [patent_title] => Driving structure of three-axis multi-stage roots pump [patent_app_type] => utility [patent_app_number] => 16/706691 [patent_app_country] => US [patent_app_date] => 2019-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4689 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 493 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16706691 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/706691
Driving structure of three-axis multi-stage roots pump Dec 6, 2019 Issued
Array ( [id] => 18576198 [patent_doc_number] => 11732716 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Modular compressor discharge system [patent_app_type] => utility [patent_app_number] => 17/253826 [patent_app_country] => US [patent_app_date] => 2019-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 2725 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17253826 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/253826
Modular compressor discharge system Dec 5, 2019 Issued
Array ( [id] => 19275005 [patent_doc_number] => 12025125 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Scroll compressor having sealed-oil interception structure [patent_app_type] => utility [patent_app_number] => 17/298473 [patent_app_country] => US [patent_app_date] => 2019-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 7995 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17298473 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/298473
Scroll compressor having sealed-oil interception structure Oct 30, 2019 Issued
Array ( [id] => 17344464 [patent_doc_number] => 20220010795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => VANE PUMP [patent_app_type] => utility [patent_app_number] => 17/283668 [patent_app_country] => US [patent_app_date] => 2019-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11041 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17283668 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/283668
Vane pump with tip-end-side guide surfaces provided between inner and outer notches of the discharge port and base-end-side guide surface provided in the back pressure port Oct 28, 2019 Issued
Array ( [id] => 18275060 [patent_doc_number] => 11613995 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-28 [patent_title] => Rotary engine with housing having silicon carbide plate [patent_app_type] => utility [patent_app_number] => 16/665428 [patent_app_country] => US [patent_app_date] => 2019-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4799 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [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] => 16665428 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/665428
Rotary engine with housing having silicon carbide plate Oct 27, 2019 Issued
Array ( [id] => 17336786 [patent_doc_number] => 20220003117 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => Rotary Piston Machine and Method for Producing a Seal in a Rotary Piston Machine [patent_app_type] => utility [patent_app_number] => 17/281249 [patent_app_country] => US [patent_app_date] => 2019-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4530 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17281249 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/281249
Rotary Piston Machine and Method for Producing a Seal in a Rotary Piston Machine Oct 13, 2019 Abandoned
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