Search

Daniel Previl

Examiner (ID: 11310)

Most Active Art Unit
2684
Art Unit(s)
2736, 2636, 2684, 2738, 2632, 2612, 2685
Total Applications
2344
Issued Applications
1897
Pending Applications
175
Abandoned Applications
314

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19825518 [patent_doc_number] => 12246274 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => System and method for distillation [patent_app_type] => utility [patent_app_number] => 18/672158 [patent_app_country] => US [patent_app_date] => 2024-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5267 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18672158 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/672158
System and method for distillation May 22, 2024 Issued
Array ( [id] => 19754208 [patent_doc_number] => 20250042773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => Systems And Methods For Treating Biologically Contaminated Water Streams [patent_app_type] => utility [patent_app_number] => 18/667758 [patent_app_country] => US [patent_app_date] => 2024-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7136 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18667758 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/667758
Systems And Methods For Treating Biologically Contaminated Water Streams May 16, 2024 Pending
18/706533 CARBON DIOXIDE RECOVERY SYSTEM Apr 30, 2024 Pending
Array ( [id] => 19585309 [patent_doc_number] => 20240382866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => DEVICES AND SYSTEMS FOR TREATING WATER AND OTHER FLUIDS [patent_app_type] => utility [patent_app_number] => 18/650359 [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] => 16032 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [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] => 18650359 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/650359
Devices and systems for treating water and other fluids Apr 29, 2024 Issued
Array ( [id] => 19528417 [patent_doc_number] => 20240352319 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => FAST PYROLYSIS HEAT EXCHANGER SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/643892 [patent_app_country] => US [patent_app_date] => 2024-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5202 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18643892 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/643892
FAST PYROLYSIS HEAT EXCHANGER SYSTEM AND METHOD Apr 22, 2024 Pending
Array ( [id] => 19642762 [patent_doc_number] => 20240417282 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => VACUUM EVAPORATIVE HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 18/618037 [patent_app_country] => US [patent_app_date] => 2024-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6997 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 298 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18618037 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/618037
Vacuum evaporative heat exchanger Mar 26, 2024 Issued
Array ( [id] => 20302594 [patent_doc_number] => 12448572 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Carbon capture system [patent_app_type] => utility [patent_app_number] => 18/613047 [patent_app_country] => US [patent_app_date] => 2024-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 11370 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18613047 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/613047
Carbon capture system Mar 20, 2024 Issued
Array ( [id] => 19931922 [patent_doc_number] => 12305121 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Control method for a system having reduced nitrogen oxide emissions and for use in a carbon negative emission method [patent_app_type] => utility [patent_app_number] => 18/611273 [patent_app_country] => US [patent_app_date] => 2024-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6197 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 425 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18611273 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/611273
Control method for a system having reduced nitrogen oxide emissions and for use in a carbon negative emission method Mar 19, 2024 Issued
Array ( [id] => 20173149 [patent_doc_number] => 12391882 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Apparatus, system, and method for shale pyrolysis [patent_app_type] => utility [patent_app_number] => 18/408382 [patent_app_country] => US [patent_app_date] => 2024-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 9341 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18408382 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/408382
Apparatus, system, and method for shale pyrolysis Jan 8, 2024 Issued
Array ( [id] => 19300314 [patent_doc_number] => 20240228883 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => RESOURCE RECOVERY FROM WOOD WASTES [patent_app_type] => utility [patent_app_number] => 18/400691 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11929 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18400691 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400691
RESOURCE RECOVERY FROM WOOD WASTES Dec 28, 2023 Abandoned
Array ( [id] => 19300314 [patent_doc_number] => 20240228883 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => RESOURCE RECOVERY FROM WOOD WASTES [patent_app_type] => utility [patent_app_number] => 18/400691 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11929 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18400691 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400691
RESOURCE RECOVERY FROM WOOD WASTES Dec 28, 2023 Abandoned
Array ( [id] => 19051124 [patent_doc_number] => 20240093093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => PYROLYSIS REACTION SYSTEM AND METHOD OF PYROLYSING AN ORGANIC FEED [patent_app_type] => utility [patent_app_number] => 18/521452 [patent_app_country] => US [patent_app_date] => 2023-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18521452 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/521452
Pyrolysis reaction system Nov 27, 2023 Issued
Array ( [id] => 19503279 [patent_doc_number] => 12114675 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Tandem evaporation-drying methods and systems for making powdered milkderived products [patent_app_type] => utility [patent_app_number] => 18/514379 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 8436 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18514379 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/514379
Tandem evaporation-drying methods and systems for making powdered milkderived products Nov 19, 2023 Issued
Array ( [id] => 19002356 [patent_doc_number] => 20240066427 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => ASSEMBLY FOR REMOVAL OF WATER FROM OIL [patent_app_type] => utility [patent_app_number] => 18/387693 [patent_app_country] => US [patent_app_date] => 2023-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5557 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18387693 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/387693
Assembly for removal of water from oil Nov 6, 2023 Issued
Array ( [id] => 19157952 [patent_doc_number] => 20240150659 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => COAL BLENDS, FOUNDRY COKE PRODUCTS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS [patent_app_type] => utility [patent_app_number] => 18/501795 [patent_app_country] => US [patent_app_date] => 2023-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27470 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18501795 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/501795
Coal blends, foundry coke products, and associated systems, devices, and methods Nov 2, 2023 Issued
Array ( [id] => 19799320 [patent_doc_number] => 20250065245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => A COMPRESSOR-DRIVEN THERMAL SEPARATION PROCESS USING DIFFUSION GAP DISTILLATION AND WICKING, THERMALLY CONDUCTIVE HEAT TRANSFER SURFACES [patent_app_type] => utility [patent_app_number] => 18/727788 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5695 [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] => 18727788 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/727788
A COMPRESSOR-DRIVEN THERMAL SEPARATION PROCESS USING DIFFUSION GAP DISTILLATION AND WICKING, THERMALLY CONDUCTIVE HEAT TRANSFER SURFACES Oct 30, 2023 Pending
Array ( [id] => 19216664 [patent_doc_number] => 20240181368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => SYSTEM AND METHOD FOR SEPARATING WATER AND SALT BY SEQUENTIAL EVAPORATION OF MULTIPLE GROUPS OF HEAT COLLECTING DEVICES [patent_app_type] => utility [patent_app_number] => 18/493813 [patent_app_country] => US [patent_app_date] => 2023-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7899 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18493813 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/493813
SYSTEM AND METHOD FOR SEPARATING WATER AND SALT BY SEQUENTIAL EVAPORATION OF MULTIPLE GROUPS OF HEAT COLLECTING DEVICES Oct 24, 2023 Pending
Array ( [id] => 19075577 [patent_doc_number] => 11944922 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-02 [patent_title] => Water treatment system [patent_app_type] => utility [patent_app_number] => 18/382804 [patent_app_country] => US [patent_app_date] => 2023-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 5576 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18382804 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/382804
Water treatment system Oct 22, 2023 Issued
Array ( [id] => 18902876 [patent_doc_number] => 20240018361 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => METHOD FOR PELLETIZING CARBON BLACK RECLAIMED FROM WASTE TIRES [patent_app_type] => utility [patent_app_number] => 18/373722 [patent_app_country] => US [patent_app_date] => 2023-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11540 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18373722 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/373722
METHOD FOR PELLETIZING CARBON BLACK RECLAIMED FROM WASTE TIRES Sep 26, 2023 Abandoned
Array ( [id] => 19049698 [patent_doc_number] => 20240091667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => Pretreatment Of Plasma For Spray Drying And Storage [patent_app_type] => utility [patent_app_number] => 18/467074 [patent_app_country] => US [patent_app_date] => 2023-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 119348 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18467074 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/467074
Pretreatment Of Plasma For Spray Drying And Storage Sep 13, 2023 Pending
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