Search

David Bochna

Examiner (ID: 439)

Most Active Art Unit
3679
Art Unit(s)
3679, 3629, 3626
Total Applications
2997
Issued Applications
2318
Pending Applications
169
Abandoned Applications
540

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17831421 [patent_doc_number] => 20220268725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => Deaerator and Electrolyte Measurement System [patent_app_type] => utility [patent_app_number] => 17/628458 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9381 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17628458 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/628458
Deaerator and Electrolyte Measurement System Feb 27, 2020 Pending
Array ( [id] => 20491826 [patent_doc_number] => 12533682 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Vortex finder for a cyclonic separator [patent_app_type] => utility [patent_app_number] => 17/431820 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [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] => 17431820 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/431820
Vortex finder for a cyclonic separator Feb 19, 2020 Issued
Array ( [id] => 17570228 [patent_doc_number] => 11318483 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-03 [patent_title] => Air treatment apparatus [patent_app_type] => utility [patent_app_number] => 16/795272 [patent_app_country] => US [patent_app_date] => 2020-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 43 [patent_no_of_words] => 14025 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16795272 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/795272
Air treatment apparatus Feb 18, 2020 Issued
Array ( [id] => 16010219 [patent_doc_number] => 20200179952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => AIR TREATMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 16/795252 [patent_app_country] => US [patent_app_date] => 2020-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13984 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16795252 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/795252
Air treatment apparatus Feb 18, 2020 Issued
Array ( [id] => 17610272 [patent_doc_number] => 20220152551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => PROCESS FOR REMOVAL OF ACID GASES FROM A FLUID STREAM WITH A LIQUID ABSORBENT COMPRISING A PIPERAZINE RING [patent_app_type] => utility [patent_app_number] => 17/431872 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8959 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 17431872 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/431872
Process for removal of acid gases from a fluid stream with a liquid absorbent comprising a piperazine ring Feb 13, 2020 Issued
Array ( [id] => 19043730 [patent_doc_number] => 11932816 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Coke and tar removal from a furnace effluent [patent_app_type] => utility [patent_app_number] => 17/310062 [patent_app_country] => US [patent_app_date] => 2020-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 9287 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17310062 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/310062
Coke and tar removal from a furnace effluent Feb 12, 2020 Issued
Array ( [id] => 16010223 [patent_doc_number] => 20200179954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => FLUID SEPARATOR DEVICE [patent_app_type] => utility [patent_app_number] => 16/788736 [patent_app_country] => US [patent_app_date] => 2020-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5927 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16788736 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/788736
Fluid separator device Feb 11, 2020 Issued
Array ( [id] => 17398621 [patent_doc_number] => 20220040711 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => CYCLONE SEPARATION DEVICE [patent_app_type] => utility [patent_app_number] => 17/433270 [patent_app_country] => US [patent_app_date] => 2020-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1391 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17433270 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/433270
Cyclone separation device Feb 9, 2020 Issued
Array ( [id] => 16223825 [patent_doc_number] => 20200248942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => SEPERATOR AND METHOD FOR SEPARATING LUBRICANT FROM LUBRICANT-CHARGED GASEOUS REFRIGERANT [patent_app_type] => utility [patent_app_number] => 16/782483 [patent_app_country] => US [patent_app_date] => 2020-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9194 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16782483 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/782483
SEPERATOR AND METHOD FOR SEPARATING LUBRICANT FROM LUBRICANT-CHARGED GASEOUS REFRIGERANT Feb 4, 2020 Abandoned
Array ( [id] => 18115888 [patent_doc_number] => 11547257 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Vacuum bag with inlet gasket and closure seal [patent_app_type] => utility [patent_app_number] => 16/781935 [patent_app_country] => US [patent_app_date] => 2020-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7938 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 16781935 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/781935
Vacuum bag with inlet gasket and closure seal Feb 3, 2020 Issued
Array ( [id] => 15899455 [patent_doc_number] => 20200149246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => HYDRO EXCAVATION VACUUM APPARATUS HAVING AN ADJUSTMENT SYSTEM FOR ADJUSTING A DEWATERING SYSTEM SCREEN [patent_app_type] => utility [patent_app_number] => 16/740637 [patent_app_country] => US [patent_app_date] => 2020-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15444 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16740637 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/740637
Hydro excavation vacuum apparatus having an adjustment system for adjusting a dewatering system screen Jan 12, 2020 Issued
Array ( [id] => 15899457 [patent_doc_number] => 20200149247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => AIRLOCKS FOR CONVEYING MATERIAL, HYDRO EXCAVATION VACUUM APPARATUS HAVING AIRLOCKS, AND METHODS FOR HYDRO EXCAVATING A SITE [patent_app_type] => utility [patent_app_number] => 16/740634 [patent_app_country] => US [patent_app_date] => 2020-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15443 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16740634 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/740634
Airlocks for conveying material, hydro excavation vacuum apparatus having airlocks, and methods for hydro excavating a site Jan 12, 2020 Issued
Array ( [id] => 17028793 [patent_doc_number] => 11090591 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-17 [patent_title] => Swirling flow generation device and deposition device [patent_app_type] => utility [patent_app_number] => 16/727104 [patent_app_country] => US [patent_app_date] => 2019-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8418 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16727104 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/727104
Swirling flow generation device and deposition device Dec 25, 2019 Issued
Array ( [id] => 16328113 [patent_doc_number] => 20200299079 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => METHOD OF REDUCING SILICOSIS CAUSED BY INHALATION OF SILICA-CONTAINING PROPPANT, SUCH AS SILICA SAND AND RESIN-COATED SILICA SAND, AND APPARATUS THEREFOR [patent_app_type] => utility [patent_app_number] => 16/721190 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 16721190 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/721190
METHOD OF REDUCING SILICOSIS CAUSED BY INHALATION OF SILICA-CONTAINING PROPPANT, SUCH AS SILICA SAND AND RESIN-COATED SILICA SAND, AND APPARATUS THEREFOR Dec 18, 2019 Abandoned
Array ( [id] => 15798037 [patent_doc_number] => 20200122161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => MULTISTAGE CYCLONE AND SURFACE CLEANING APPARATUS HAVING SAME [patent_app_type] => utility [patent_app_number] => 16/717495 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27486 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16717495 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/717495
Multistage cyclone and surface cleaning apparatus having same Dec 16, 2019 Issued
Array ( [id] => 15798037 [patent_doc_number] => 20200122161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => MULTISTAGE CYCLONE AND SURFACE CLEANING APPARATUS HAVING SAME [patent_app_type] => utility [patent_app_number] => 16/717495 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27486 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16717495 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/717495
Multistage cyclone and surface cleaning apparatus having same Dec 16, 2019 Issued
Array ( [id] => 17384473 [patent_doc_number] => 20220032325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => Device and method for fluid purification [patent_app_type] => utility [patent_app_number] => 17/413593 [patent_app_country] => US [patent_app_date] => 2019-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3481 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17413593 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/413593
Device and method for fluid purification Dec 10, 2019 Issued
Array ( [id] => 16087721 [patent_doc_number] => 20200197847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-25 [patent_title] => CYCLONE SEPARATOR AND METHODS FOR CONVEYING DRY BULK MATERIAL [patent_app_type] => utility [patent_app_number] => 16/711033 [patent_app_country] => US [patent_app_date] => 2019-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5045 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16711033 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/711033
CYCLONE SEPARATOR AND METHODS FOR CONVEYING DRY BULK MATERIAL Dec 10, 2019 Abandoned
Array ( [id] => 16189692 [patent_doc_number] => 20200230541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => FILTER CARTRIDGES; AIR CLEANER ASSEMBLIES; HOUSINGS; FEATURES; COMPONENTS; AND, METHODS [patent_app_type] => utility [patent_app_number] => 16/709403 [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] => 28516 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16709403 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/709403
Filter cartridges; air cleaner assemblies; housings; features; components; and, methods Dec 9, 2019 Issued
Array ( [id] => 17088912 [patent_doc_number] => 11117085 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-14 [patent_title] => Seal arrangement for filter element; filter element assembly; and, methods [patent_app_type] => utility [patent_app_number] => 16/707430 [patent_app_country] => US [patent_app_date] => 2019-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 40 [patent_no_of_words] => 17893 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16707430 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/707430
Seal arrangement for filter element; filter element assembly; and, methods Dec 8, 2019 Issued
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