Search

Charles Grant Freay

Examiner (ID: 10225, Phone: (571)272-4827 , Office: P/3746 )

Most Active Art Unit
3746
Art Unit(s)
3727, 3403, 3746, 2899, 3304
Total Applications
3943
Issued Applications
3079
Pending Applications
363
Abandoned Applications
521

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20722161 [patent_doc_number] => 20260138864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-21 [patent_title] => AIRFLOW GENERATING DEVICE AND ITS APPLICATIONS [patent_app_type] => utility [patent_app_number] => 19/452852 [patent_app_country] => US [patent_app_date] => 2026-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3603 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19452852 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/452852
AIRFLOW GENERATING DEVICE AND ITS APPLICATIONS Jan 18, 2026 Pending
Array ( [id] => 20780292 [patent_doc_number] => 20260168487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-18 [patent_title] => SYSTEMS AND METHODS FOR OPERATION MODES FOR AN AIR COMPRESSOR [patent_app_type] => utility [patent_app_number] => 19/329745 [patent_app_country] => US [patent_app_date] => 2025-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6175 [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] => 19329745 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/329745
SYSTEMS AND METHODS FOR OPERATION MODES FOR AN AIR COMPRESSOR Sep 15, 2025 Pending
Array ( [id] => 20750871 [patent_doc_number] => 20260153095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-04 [patent_title] => FLUID PUMP HAVING AT LEAST ONE IMPELLER BLADE AND A SUPPORT DEVICE [patent_app_type] => utility [patent_app_number] => 19/317883 [patent_app_country] => US [patent_app_date] => 2025-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [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] => 19317883 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/317883
FLUID PUMP HAVING AT LEAST ONE IMPELLER BLADE AND A SUPPORT DEVICE Sep 2, 2025 Pending
Array ( [id] => 20322024 [patent_doc_number] => 20250334112 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => CALIBRATABLE VARIABLE DISPLACEMENT PUMP [patent_app_type] => utility [patent_app_number] => 19/257928 [patent_app_country] => US [patent_app_date] => 2025-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1217 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19257928 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/257928
CALIBRATABLE VARIABLE DISPLACEMENT PUMP Jul 1, 2025 Pending
Array ( [id] => 20427183 [patent_doc_number] => 20250389271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 19/247106 [patent_app_country] => US [patent_app_date] => 2025-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1244 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19247106 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/247106
SCROLL COMPRESSOR Jun 23, 2025 Pending
Array ( [id] => 20445817 [patent_doc_number] => 20260002534 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 19/245987 [patent_app_country] => US [patent_app_date] => 2025-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4396 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 652 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19245987 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/245987
SCROLL COMPRESSOR Jun 22, 2025 Pending
Array ( [id] => 20857130 [patent_doc_number] => 20260210354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-07-23 [patent_title] => METHOD FOR CONTROLLING AN ECCENTRIC SCREW PUMP [patent_app_type] => utility [patent_app_number] => 19/141447 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19141447 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/141447
METHOD FOR CONTROLLING AN ECCENTRIC SCREW PUMP Jun 19, 2025 Pending
Array ( [id] => 20882731 [patent_doc_number] => 12698767 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-04 [patent_title] => Calibratable variable displacement pump [patent_app_type] => utility [patent_app_number] => 19/243840 [patent_app_country] => US [patent_app_date] => 2025-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 1217 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19243840 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/243840
CALIBRATABLE VARIABLE DISPLACEMENT PUMP Jun 19, 2025 Pending
Array ( [id] => 20420876 [patent_doc_number] => 20250382961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-18 [patent_title] => Method for Operating a Vacuum Pump, as well as a Vacuum Pump Designed for this Purpose with Two Inlets and One Outlet, its Use and Vacuum Packaging Machines Equipped Therewith [patent_app_type] => utility [patent_app_number] => 19/238919 [patent_app_country] => US [patent_app_date] => 2025-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1240 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19238919 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/238919
Method for Operating a Vacuum Pump, as well as a Vacuum Pump Designed for this Purpose with Two Inlets and One Outlet, its Use and Vacuum Packaging Machines Equipped Therewith Jun 15, 2025 Pending
Array ( [id] => 20280255 [patent_doc_number] => 20250305497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => MACHINE FOR EXPANDING OR COMPRESSING COMPRESSIBLE MEDIA [patent_app_type] => utility [patent_app_number] => 19/239152 [patent_app_country] => US [patent_app_date] => 2025-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2207 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19239152 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/239152
MACHINE FOR EXPANDING OR COMPRESSING COMPRESSIBLE MEDIA Jun 15, 2025 Pending
Array ( [id] => 20407872 [patent_doc_number] => 20250376981 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [patent_title] => COMPRESSOR [patent_app_type] => utility [patent_app_number] => 19/228856 [patent_app_country] => US [patent_app_date] => 2025-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1264 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19228856 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/228856
COMPRESSOR Jun 4, 2025 Pending
Array ( [id] => 20350423 [patent_doc_number] => 20250347275 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => ALTERNATIVE COMPRESSOR HEAD ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 19/217995 [patent_app_country] => US [patent_app_date] => 2025-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 472 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19217995 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/217995
ALTERNATIVE COMPRESSOR HEAD ARRANGEMENT May 22, 2025 Issued
Array ( [id] => 20393954 [patent_doc_number] => 20250369429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => SPLIT-TYPE PLUNGER PUMP AND SPLIT-TYPE PLUNGER PUMP COMPONENT [patent_app_type] => utility [patent_app_number] => 19/213707 [patent_app_country] => US [patent_app_date] => 2025-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11077 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19213707 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/213707
SPLIT-TYPE PLUNGER PUMP AND SPLIT-TYPE PLUNGER PUMP COMPONENT May 19, 2025 Pending
Array ( [id] => 20207770 [patent_doc_number] => 20250277490 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => ROTARY COMPRESSOR HAVING FLAT MUFFLER [patent_app_type] => utility [patent_app_number] => 19/210510 [patent_app_country] => US [patent_app_date] => 2025-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19210510 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/210510
ROTARY COMPRESSOR HAVING FLAT MUFFLER May 15, 2025 Pending
Array ( [id] => 20194287 [patent_doc_number] => 20250270997 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => RUBBER COMPOUND REINFORCED WITH ALTERNATIVE FIBERS [patent_app_type] => utility [patent_app_number] => 19/205460 [patent_app_country] => US [patent_app_date] => 2025-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6306 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19205460 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/205460
Rubber compound reinforced with alternative fibers May 11, 2025 Issued
Array ( [id] => 20165676 [patent_doc_number] => 20250257722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => FLUID END [patent_app_type] => utility [patent_app_number] => 19/195010 [patent_app_country] => US [patent_app_date] => 2025-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27776 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19195010 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/195010
Fluid end Apr 29, 2025 Issued
Array ( [id] => 20069353 [patent_doc_number] => 20250207575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP [patent_app_type] => utility [patent_app_number] => 19/077625 [patent_app_country] => US [patent_app_date] => 2025-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3714 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 19077625 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/077625
DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP Mar 11, 2025 Pending
Array ( [id] => 20295628 [patent_doc_number] => 20250320871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => COMPRESSOR AND CONTROLLING METHOD OF VOLUME RATIO THEREOF [patent_app_type] => utility [patent_app_number] => 19/074456 [patent_app_country] => US [patent_app_date] => 2025-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19074456 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/074456
COMPRESSOR AND CONTROLLING METHOD OF VOLUME RATIO THEREOF Mar 9, 2025 Pending
Array ( [id] => 20050717 [patent_doc_number] => 20250188939 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => WATER PUMPS FOR LANDSCAPE WATER [patent_app_type] => utility [patent_app_number] => 19/060776 [patent_app_country] => US [patent_app_date] => 2025-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3799 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19060776 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/060776
Water pumps for landscape water Feb 22, 2025 Issued
Array ( [id] => 20194283 [patent_doc_number] => 20250270993 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => MODULAR EXPANSION ASSEMBLY FOR GEAR PUMP [patent_app_type] => utility [patent_app_number] => 19/052696 [patent_app_country] => US [patent_app_date] => 2025-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19052696 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/052696
MODULAR EXPANSION ASSEMBLY FOR GEAR PUMP Feb 12, 2025 Pending
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