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] => 18718612 [patent_doc_number] => 11795948 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Stacked gerotor pump pressure pulsation reduction [patent_app_type] => utility [patent_app_number] => 17/581424 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2612 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17581424 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/581424
Stacked gerotor pump pressure pulsation reduction Jan 20, 2022 Issued
Array ( [id] => 17762152 [patent_doc_number] => 20220235764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => VARIABLE DISPLACEMENT VANE PUMP WITH IMPROVED PRESSURE CONTROL AND RANGE [patent_app_type] => utility [patent_app_number] => 17/580950 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2792 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17580950 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/580950
Variable displacement vane pump with improved pressure control and range Jan 20, 2022 Issued
Array ( [id] => 17735499 [patent_doc_number] => 20220220958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => Helical Trochoidal Rotary Machines with Improved Solids Handling [patent_app_type] => utility [patent_app_number] => 17/570154 [patent_app_country] => US [patent_app_date] => 2022-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12504 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17570154 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/570154
Helical trochoidal rotary machines with improved solids handling Jan 5, 2022 Issued
Array ( [id] => 18733834 [patent_doc_number] => 11802558 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-31 [patent_title] => Axial load in helical trochoidal rotary machines [patent_app_type] => utility [patent_app_number] => 17/565454 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 33 [patent_no_of_words] => 11323 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17565454 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/565454
Axial load in helical trochoidal rotary machines Dec 29, 2021 Issued
Array ( [id] => 19464980 [patent_doc_number] => 20240318649 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => SCREW ASSEMBLY FOR A TRIPLE SCREW PUMP AND SCREW PUMP COMPRISING SAID ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/547472 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4204 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18547472 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/547472
Screw assembly for a triple screw pump and screw pump comprising said assembly Dec 27, 2021 Issued
Array ( [id] => 19449737 [patent_doc_number] => 20240309867 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => Hydraulic Gear Pump with Hydrostatic Shaft Bearing and Isolated Case Drain and Method of Operating a Hydraulic Gear Pump [patent_app_type] => utility [patent_app_number] => 18/576264 [patent_app_country] => US [patent_app_date] => 2021-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7934 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18576264 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/576264
Hydraulic gear pump with hydrostatic shaft bearing and isolated case drain and method of operating a hydraulic gear pump Dec 19, 2021 Issued
Array ( [id] => 18988525 [patent_doc_number] => 20240060494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/261041 [patent_app_country] => US [patent_app_date] => 2021-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8089 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 394 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18261041 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/261041
Scroll compressor with a thrust plate and a flexible thrust sheet member Dec 16, 2021 Issued
Array ( [id] => 17673667 [patent_doc_number] => 20220186834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => BEAD GASKET [patent_app_type] => utility [patent_app_number] => 17/546686 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18674 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17546686 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546686
Pump with a multi-layered bead gasket Dec 8, 2021 Issued
Array ( [id] => 18576066 [patent_doc_number] => 11732584 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Rotary compressor with unequally spaced vane slots [patent_app_type] => utility [patent_app_number] => 17/536222 [patent_app_country] => US [patent_app_date] => 2021-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 13871 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17536222 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/536222
Rotary compressor with unequally spaced vane slots Nov 28, 2021 Issued
Array ( [id] => 19624648 [patent_doc_number] => 12163460 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Additively manufactured rotors for superchargers and expanders [patent_app_type] => utility [patent_app_number] => 17/520524 [patent_app_country] => US [patent_app_date] => 2021-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 5074 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17520524 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/520524
Additively manufactured rotors for superchargers and expanders Nov 4, 2021 Issued
Array ( [id] => 18940332 [patent_doc_number] => 20240035471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => Compressor and Air Conditioner [patent_app_type] => utility [patent_app_number] => 18/267875 [patent_app_country] => US [patent_app_date] => 2021-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18267875 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/267875
Compressor with two rotors coaxially disposed on a connecting assembly sleeved on the shaft that limits relative movement between them Oct 24, 2021 Issued
Array ( [id] => 19083764 [patent_doc_number] => 20240110565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => Rotor Assembly, Compressor and Air Conditioner [patent_app_type] => utility [patent_app_number] => 18/267978 [patent_app_country] => US [patent_app_date] => 2021-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8293 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18267978 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/267978
Rotor assembly, compressor and air conditioner Oct 18, 2021 Issued
Array ( [id] => 18896003 [patent_doc_number] => 20240011488 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/251994 [patent_app_country] => US [patent_app_date] => 2021-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18251994 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/251994
SCROLL COMPRESSOR Oct 14, 2021 Abandoned
Array ( [id] => 17563849 [patent_doc_number] => 20220127998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => SINGLE CHAMBER MULTIPLE INDEPENDENT CONTOUR ROTARY MACHINE [patent_app_type] => utility [patent_app_number] => 17/488858 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8156 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17488858 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/488858
SINGLE CHAMBER MULTIPLE INDEPENDENT CONTOUR ROTARY MACHINE Sep 28, 2021 Abandoned
Array ( [id] => 18290266 [patent_doc_number] => 11619133 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-04 [patent_title] => Rotational engine with inner and outer rings [patent_app_type] => utility [patent_app_number] => 17/489241 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 11899 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17489241 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/489241
Rotational engine with inner and outer rings Sep 28, 2021 Issued
Array ( [id] => 17315423 [patent_doc_number] => 20210404471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => SCREW COMPRESSOR WITH OIL INJECTION AT MULTIPLE VOLUME RATIOS [patent_app_type] => utility [patent_app_number] => 17/474642 [patent_app_country] => US [patent_app_date] => 2021-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17474642 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/474642
Screw compressor with oil injection at multiple volume ratios Sep 13, 2021 Issued
Array ( [id] => 19529033 [patent_doc_number] => 20240352935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => COMPACT VARIABLE VOLUME INDEX VALVE FOR SCREW COMPRESSOR BACKGROUND [patent_app_type] => utility [patent_app_number] => 18/685493 [patent_app_country] => US [patent_app_date] => 2021-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18685493 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/685493
Compact variable volume index valve for screw compressor background Sep 9, 2021 Issued
Array ( [id] => 19181621 [patent_doc_number] => 11988205 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Pump-motor unit comprising an integrative housing cover [patent_app_type] => utility [patent_app_number] => 17/458814 [patent_app_country] => US [patent_app_date] => 2021-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 9121 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 367 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17458814 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/458814
Pump-motor unit comprising an integrative housing cover Aug 26, 2021 Issued
Array ( [id] => 19275003 [patent_doc_number] => 12025123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Pump configuration including a purge valve for removing airlocks [patent_app_type] => utility [patent_app_number] => 17/404202 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 6690 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17404202 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/404202
Pump configuration including a purge valve for removing airlocks Aug 16, 2021 Issued
Array ( [id] => 18818254 [patent_doc_number] => 20230392594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => CARTRIDGE SYSTEM AND ECCENTRIC SCREW PUMP [patent_app_type] => utility [patent_app_number] => 18/033026 [patent_app_country] => US [patent_app_date] => 2021-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13745 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18033026 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/033026
Cartridge system and eccentric screw pump Aug 10, 2021 Issued
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