Search

Evan T. Pert

Examiner (ID: 8663, Phone: (571)272-1969 , Office: P/2826 )

Most Active Art Unit
2826
Art Unit(s)
2813, 2826, 2829
Total Applications
1775
Issued Applications
1617
Pending Applications
44
Abandoned Applications
120

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20658196 [patent_doc_number] => 20260110236 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-23 [patent_title] => ENHANCED GAS EXTRACTION SYSTEM AND METHOD BASED ON DUAL-PULSATION AND ACID FRACTURING PERMEABILITY ENHANCEMENT FOR LOW-PERMEABILITY COAL SEAM [patent_app_type] => utility [patent_app_number] => 19/356105 [patent_app_country] => US [patent_app_date] => 2025-10-11 [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] => -6 [patent_words_short_claim] => 459 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19356105 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/356105
ENHANCED GAS EXTRACTION SYSTEM AND METHOD BASED ON DUAL-PULSATION AND ACID FRACTURING PERMEABILITY ENHANCEMENT FOR LOW-PERMEABILITY COAL SEAM Oct 10, 2025 Issued
Array ( [id] => 20407801 [patent_doc_number] => 20250376910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [patent_title] => SACRIFICIAL TOOL FOR PLUGGING AND ABANDONING A WELLBORE AND METHODS THEREOF [patent_app_type] => utility [patent_app_number] => 19/310331 [patent_app_country] => US [patent_app_date] => 2025-08-26 [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] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19310331 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/310331
SACRIFICIAL TOOL FOR PLUGGING AND ABANDONING A WELLBORE AND METHODS THEREOF Aug 25, 2025 Pending
Array ( [id] => 20393847 [patent_doc_number] => 20250369322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => CRUDE OIL HYDRAULIC LIFT [patent_app_type] => utility [patent_app_number] => 19/302928 [patent_app_country] => US [patent_app_date] => 2025-08-18 [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] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19302928 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/302928
CRUDE OIL HYDRAULIC LIFT Aug 17, 2025 Pending
Array ( [id] => 20350357 [patent_doc_number] => 20250347209 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => METHODS AND SYSTEMS FOR GREENHOUSE GAS CAPTURE AND SEQUESTRATION [patent_app_type] => utility [patent_app_number] => 19/276523 [patent_app_country] => US [patent_app_date] => 2025-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1116 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19276523 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/276523
METHODS AND SYSTEMS FOR GREENHOUSE GAS CAPTURE AND SEQUESTRATION Jul 21, 2025 Pending
Array ( [id] => 20511915 [patent_doc_number] => 20260036016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-05 [patent_title] => COMPOSITIONS AND METHODS FOR FLUID LOSS CONTROL IN A SUBTERRANEAN FORMATION [patent_app_type] => utility [patent_app_number] => 19/276070 [patent_app_country] => US [patent_app_date] => 2025-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9934 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19276070 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/276070
COMPOSITIONS AND METHODS FOR FLUID LOSS CONTROL IN A SUBTERRANEAN FORMATION Jul 21, 2025 Pending
Array ( [id] => 20459895 [patent_doc_number] => 20260009318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => DESANDER ASSEMBLY FOR PLUNGER LIFT SYSTEM [patent_app_type] => utility [patent_app_number] => 19/268233 [patent_app_country] => US [patent_app_date] => 2025-07-14 [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] => -9 [patent_words_short_claim] => 326 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19268233 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/268233
DESANDER ASSEMBLY FOR PLUNGER LIFT SYSTEM Jul 13, 2025 Pending
Array ( [id] => 20336654 [patent_doc_number] => 20250340774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => CONCRETE FORMULATION FOR SEALING AND PLUGGING OIL OR GAS WELLS FOR ABANDONMENT [patent_app_type] => utility [patent_app_number] => 19/265798 [patent_app_country] => US [patent_app_date] => 2025-07-10 [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] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19265798 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/265798
CONCRETE FORMULATION FOR SEALING AND PLUGGING OIL OR GAS WELLS FOR ABANDONMENT Jul 9, 2025 Pending
Array ( [id] => 20288917 [patent_doc_number] => 20250314160 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => HYDRAULIC LOCKING MECHANISM FOR DOWNHOLE VALVE [patent_app_type] => utility [patent_app_number] => 19/240143 [patent_app_country] => US [patent_app_date] => 2025-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7822 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19240143 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/240143
HYDRAULIC LOCKING MECHANISM FOR DOWNHOLE VALVE Jun 16, 2025 Pending
Array ( [id] => 20337089 [patent_doc_number] => 20250341209 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => LINEARLY ACTUATED, PIVOTING, PUMPING UNIT [patent_app_type] => utility [patent_app_number] => 19/196604 [patent_app_country] => US [patent_app_date] => 2025-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10561 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19196604 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/196604
LINEARLY ACTUATED, PIVOTING, PUMPING UNIT Apr 30, 2025 Pending
Array ( [id] => 20194203 [patent_doc_number] => 20250270913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => Method for Preventing Influx of Fluid During Fracturing of an Offset Well [patent_app_type] => utility [patent_app_number] => 19/193762 [patent_app_country] => US [patent_app_date] => 2025-04-29 [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] => -9 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19193762 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/193762
Method for Preventing Influx of Fluid During Fracturing of an Offset Well Apr 28, 2025 Abandoned
Array ( [id] => 20295159 [patent_doc_number] => 20250320402 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => SYSTEMS AND METHODS FOR SCAVENGING SULFUR-CONTAINING MATERIALS USING A PRECURSOR SCAVENGER MATERIAL [patent_app_type] => utility [patent_app_number] => 19/182667 [patent_app_country] => US [patent_app_date] => 2025-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4383 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19182667 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/182667
SYSTEMS AND METHODS FOR SCAVENGING SULFUR-CONTAINING MATERIALS USING A PRECURSOR SCAVENGER MATERIAL Apr 17, 2025 Pending
Array ( [id] => 20165210 [patent_doc_number] => 20250257256 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => METHODS INVOLVING CEMENTS THAT EMPLOY CARBON DIOXIDE AS A REACTANT [patent_app_type] => utility [patent_app_number] => 19/097083 [patent_app_country] => US [patent_app_date] => 2025-04-01 [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] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19097083 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/097083
METHODS INVOLVING CEMENTS THAT EMPLOY CARBON DIOXIDE AS A REACTANT Mar 31, 2025 Pending
Array ( [id] => 20068818 [patent_doc_number] => 20250207040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => Remediation of Rag Layer and Other Disposable Layers in Oil Tanks and Storage Equipment [patent_app_type] => utility [patent_app_number] => 19/075003 [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] => 5675 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19075003 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/075003
Remediation of Rag Layer and Other Disposable Layers in Oil Tanks and Storage Equipment Mar 9, 2025 Pending
Array ( [id] => 20165212 [patent_doc_number] => 20250257258 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => Chemical Additive Sand Washing [patent_app_type] => utility [patent_app_number] => 19/052534 [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] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19052534 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/052534
Chemical Additive Sand Washing Feb 12, 2025 Pending
Array ( [id] => 20165591 [patent_doc_number] => 20250257637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => LOW-COST DOWNHOLE GAS LIFT SYSTEM FOR NON-GAS LIFT TUBING [patent_app_type] => utility [patent_app_number] => 19/047679 [patent_app_country] => US [patent_app_date] => 2025-02-07 [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] => -11 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19047679 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/047679
LOW-COST DOWNHOLE GAS LIFT SYSTEM FOR NON-GAS LIFT TUBING Feb 6, 2025 Pending
Array ( [id] => 20151051 [patent_doc_number] => 20250250889 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => END-OF-LIFE RECOVERY OF MOBILIZED HYDROCARBONS [patent_app_type] => utility [patent_app_number] => 19/044489 [patent_app_country] => US [patent_app_date] => 2025-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7537 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19044489 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/044489
End-of-life recovery of mobilized hydrocarbons Feb 2, 2025 Issued
Array ( [id] => 20136676 [patent_doc_number] => 20250243720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => Lost Circulation Material Comprising Reclaimed Fiberglass Wind Turbine Blades [patent_app_type] => utility [patent_app_number] => 19/038294 [patent_app_country] => US [patent_app_date] => 2025-01-27 [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] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19038294 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/038294
Lost Circulation Material Comprising Reclaimed Fiberglass Wind Turbine Blades Jan 26, 2025 Pending
Array ( [id] => 19890867 [patent_doc_number] => 20250116179 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => MICROBIALLY ENHANCED THERMAL OIL RECOVERY [patent_app_type] => utility [patent_app_number] => 18/985271 [patent_app_country] => US [patent_app_date] => 2024-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7573 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18985271 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/985271
Microbially enhanced thermal oil recovery Dec 17, 2024 Issued
Array ( [id] => 20016610 [patent_doc_number] => 20250154832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => STAGE TOOL ASSEMBLY WITH CONTROL LINE PROTECTOR AND METHOD OF CEMENTING A WELLBORE [patent_app_type] => utility [patent_app_number] => 18/946532 [patent_app_country] => US [patent_app_date] => 2024-11-13 [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] => -18 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18946532 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/946532
Stage tool assembly with control line protector and method of cementing a wellbore Nov 12, 2024 Issued
Array ( [id] => 20108841 [patent_doc_number] => 12359550 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Desander assembly for plunger lift system [patent_app_type] => utility [patent_app_number] => 18/943001 [patent_app_country] => US [patent_app_date] => 2024-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18943001 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/943001
Desander assembly for plunger lift system Nov 10, 2024 Issued
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