Search

Deming Wan

Examiner (ID: 12965, Phone: (571)272-1410 , Office: P/3748 )

Most Active Art Unit
3746
Art Unit(s)
3748, 3746, 3762
Total Applications
975
Issued Applications
712
Pending Applications
85
Abandoned Applications
218

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19693735 [patent_doc_number] => 20250012280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => SCREW COMPRESSOR AND REFRIGERATION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/893655 [patent_app_country] => US [patent_app_date] => 2024-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7226 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18893655 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/893655
Screw compressor and refrigeration apparatus Sep 22, 2024 Issued
Array ( [id] => 19693735 [patent_doc_number] => 20250012280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => SCREW COMPRESSOR AND REFRIGERATION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/893655 [patent_app_country] => US [patent_app_date] => 2024-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7226 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18893655 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/893655
Screw compressor and refrigeration apparatus Sep 22, 2024 Issued
Array ( [id] => 19962258 [patent_doc_number] => 12331747 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Fluid filter for a compressor [patent_app_type] => utility [patent_app_number] => 18/883189 [patent_app_country] => US [patent_app_date] => 2024-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18883189 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/883189
Fluid filter for a compressor Sep 11, 2024 Issued
Array ( [id] => 19962258 [patent_doc_number] => 12331747 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Fluid filter for a compressor [patent_app_type] => utility [patent_app_number] => 18/883189 [patent_app_country] => US [patent_app_date] => 2024-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18883189 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/883189
Fluid filter for a compressor Sep 11, 2024 Issued
Array ( [id] => 19615914 [patent_doc_number] => 20240401594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => SCREW COMPRESSOR, AND REFRIGERATION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/806237 [patent_app_country] => US [patent_app_date] => 2024-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6713 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18806237 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/806237
Screw compressor, and refrigeration apparatus Aug 14, 2024 Issued
Array ( [id] => 19916692 [patent_doc_number] => 12292051 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Device for controlling a fluid mass flow for a device for compressing a gaseous fluid and device for compressing a gaseous fluid [patent_app_type] => utility [patent_app_number] => 18/748321 [patent_app_country] => US [patent_app_date] => 2024-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 1070 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18748321 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/748321
Device for controlling a fluid mass flow for a device for compressing a gaseous fluid and device for compressing a gaseous fluid Jun 19, 2024 Issued
Array ( [id] => 19449739 [patent_doc_number] => 20240309869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => SCREW COMPRESSOR WITH MULTI-LAYERED COATING OF THE ROTOR SCREWS [patent_app_type] => utility [patent_app_number] => 18/676650 [patent_app_country] => US [patent_app_date] => 2024-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10342 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18676650 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/676650
Screw compressor with multi-layered coating of the rotor screws May 28, 2024 Issued
Array ( [id] => 20220511 [patent_doc_number] => 20250283442 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => TURBINE UNIT FOR A SUPERCHARGING DEVICE [patent_app_type] => utility [patent_app_number] => 18/650610 [patent_app_country] => US [patent_app_date] => 2024-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5622 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18650610 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/650610
TURBINE UNIT FOR A SUPERCHARGING DEVICE Apr 29, 2024 Pending
Array ( [id] => 19565377 [patent_doc_number] => 12140141 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-12 [patent_title] => Electric oil pump including pump housing and eccentric assembly non-concentrically arranged with pump housing [patent_app_type] => utility [patent_app_number] => 18/650258 [patent_app_country] => US [patent_app_date] => 2024-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4996 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18650258 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/650258
Electric oil pump including pump housing and eccentric assembly non-concentrically arranged with pump housing Apr 29, 2024 Issued
Array ( [id] => 20220511 [patent_doc_number] => 20250283442 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => TURBINE UNIT FOR A SUPERCHARGING DEVICE [patent_app_type] => utility [patent_app_number] => 18/650610 [patent_app_country] => US [patent_app_date] => 2024-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5622 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18650610 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/650610
TURBINE UNIT FOR A SUPERCHARGING DEVICE Apr 29, 2024 Pending
Array ( [id] => 19381750 [patent_doc_number] => 20240271620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => SCROLL COMPRESSOR AND REFRIGERATION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/648038 [patent_app_country] => US [patent_app_date] => 2024-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7938 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18648038 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/648038
Scroll compressor and refrigeration apparatus Apr 25, 2024 Issued
Array ( [id] => 19390229 [patent_doc_number] => 20240280099 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => Sealing In Helical Trochoidal Rotary Machines [patent_app_type] => utility [patent_app_number] => 18/639036 [patent_app_country] => US [patent_app_date] => 2024-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17162 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18639036 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/639036
Sealing In Helical Trochoidal Rotary Machines Apr 17, 2024 Abandoned
Array ( [id] => 19390229 [patent_doc_number] => 20240280099 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => Sealing In Helical Trochoidal Rotary Machines [patent_app_type] => utility [patent_app_number] => 18/639036 [patent_app_country] => US [patent_app_date] => 2024-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17162 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18639036 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/639036
Sealing In Helical Trochoidal Rotary Machines Apr 17, 2024 Abandoned
Array ( [id] => 19498244 [patent_doc_number] => 20240337262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => SECONDARY AIRFLOW PATHS FOR AIR COMPRESSORS [patent_app_type] => utility [patent_app_number] => 18/627207 [patent_app_country] => US [patent_app_date] => 2024-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9288 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18627207 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/627207
Secondary airflow paths for air compressors Apr 3, 2024 Issued
Array ( [id] => 19498244 [patent_doc_number] => 20240337262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => SECONDARY AIRFLOW PATHS FOR AIR COMPRESSORS [patent_app_type] => utility [patent_app_number] => 18/627207 [patent_app_country] => US [patent_app_date] => 2024-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9288 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18627207 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/627207
Secondary airflow paths for air compressors Apr 3, 2024 Issued
Array ( [id] => 19498244 [patent_doc_number] => 20240337262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => SECONDARY AIRFLOW PATHS FOR AIR COMPRESSORS [patent_app_type] => utility [patent_app_number] => 18/627207 [patent_app_country] => US [patent_app_date] => 2024-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9288 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18627207 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/627207
Secondary airflow paths for air compressors Apr 3, 2024 Issued
Array ( [id] => 19833063 [patent_doc_number] => 20250084849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => ELECTRIC WATER PUMP [patent_app_type] => utility [patent_app_number] => 18/624950 [patent_app_country] => US [patent_app_date] => 2024-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4110 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 18624950 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/624950
Electric water pump Apr 1, 2024 Issued
Array ( [id] => 19529032 [patent_doc_number] => 20240352934 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => GEAR PUMP AND ITS USE [patent_app_type] => utility [patent_app_number] => 18/623314 [patent_app_country] => US [patent_app_date] => 2024-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4394 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18623314 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/623314
Gear pump with intermeshing gearwheels enclosed by housing with bearing journals arranged on shaft axes Mar 31, 2024 Issued
Array ( [id] => 19529032 [patent_doc_number] => 20240352934 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => GEAR PUMP AND ITS USE [patent_app_type] => utility [patent_app_number] => 18/623314 [patent_app_country] => US [patent_app_date] => 2024-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4394 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18623314 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/623314
Gear pump with intermeshing gearwheels enclosed by housing with bearing journals arranged on shaft axes Mar 31, 2024 Issued
Array ( [id] => 19940949 [patent_doc_number] => 12313073 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Rotary compressor [patent_app_type] => utility [patent_app_number] => 18/616519 [patent_app_country] => US [patent_app_date] => 2024-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7602 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18616519 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/616519
Rotary compressor Mar 25, 2024 Issued
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