Search

Nathaniel Herzfeld

Examiner (ID: 8370, Phone: (571)272-5899 , Office: P/3749 )

Most Active Art Unit
3762
Art Unit(s)
3743, 3749, 3762
Total Applications
626
Issued Applications
427
Pending Applications
1
Abandoned Applications
203

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 14744849 [patent_doc_number] => 20190255598 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-22 [patent_title] => BLACKSMITH FORGE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 15/899193 [patent_app_country] => US [patent_app_date] => 2018-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 15899193 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/899193
BLACKSMITH FORGE ASSEMBLY Feb 18, 2018 Abandoned
Array ( [id] => 17193930 [patent_doc_number] => 11162678 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-02 [patent_title] => Hopper system [patent_app_type] => utility [patent_app_number] => 15/891805 [patent_app_country] => US [patent_app_date] => 2018-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2898 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15891805 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/891805
Hopper system Feb 7, 2018 Issued
Array ( [id] => 15881701 [patent_doc_number] => 10647180 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-12 [patent_title] => Operating device for an air vent and air vent [patent_app_type] => utility [patent_app_number] => 15/889774 [patent_app_country] => US [patent_app_date] => 2018-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3702 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15889774 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/889774
Operating device for an air vent and air vent Feb 5, 2018 Issued
Array ( [id] => 16027835 [patent_doc_number] => 10676323 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-09 [patent_title] => Flue mounted hoist [patent_app_type] => utility [patent_app_number] => 15/879898 [patent_app_country] => US [patent_app_date] => 2018-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 5358 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15879898 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/879898
Flue mounted hoist Jan 24, 2018 Issued
Array ( [id] => 13330703 [patent_doc_number] => 20180216889 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-02 [patent_title] => REFRACTORY ARTICLE AND METHOD OF FORMING [patent_app_type] => utility [patent_app_number] => 15/877480 [patent_app_country] => US [patent_app_date] => 2018-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5269 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15877480 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/877480
Refractory article and method of forming Jan 22, 2018 Issued
Array ( [id] => 12753253 [patent_doc_number] => 20180142918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-24 [patent_title] => HIGH EFFICIENCY FLUID HEATING SYSTEM EXHAUST MANIFOLD [patent_app_type] => utility [patent_app_number] => 15/872957 [patent_app_country] => US [patent_app_date] => 2018-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8163 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15872957 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/872957
High efficiency fluid heating system exhaust manifold Jan 15, 2018 Issued
Array ( [id] => 12709948 [patent_doc_number] => 20180128482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-10 [patent_title] => Burner Nozzle Configuration and its Use [patent_app_type] => utility [patent_app_number] => 15/864756 [patent_app_country] => US [patent_app_date] => 2018-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2907 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15864756 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/864756
Burner Nozzle Configuration and its Use Jan 7, 2018 Abandoned
Array ( [id] => 14920305 [patent_doc_number] => 10431479 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-01 [patent_title] => Heat treatment apparatus and temperature control method [patent_app_type] => utility [patent_app_number] => 15/864299 [patent_app_country] => US [patent_app_date] => 2018-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 5972 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15864299 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/864299
Heat treatment apparatus and temperature control method Jan 7, 2018 Issued
Array ( [id] => 15134649 [patent_doc_number] => 10480781 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-19 [patent_title] => Removal of carbonaceous microbeads [patent_app_type] => utility [patent_app_number] => 15/862965 [patent_app_country] => US [patent_app_date] => 2018-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2149 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15862965 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/862965
Removal of carbonaceous microbeads Jan 4, 2018 Issued
Array ( [id] => 14536713 [patent_doc_number] => 20190203978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => MOUNTING ADAPTOR FOR MOUNTING A SENSOR ASSEMBLY TO A WATER HEATER TANK [patent_app_type] => utility [patent_app_number] => 15/862259 [patent_app_country] => US [patent_app_date] => 2018-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8077 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15862259 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/862259
Mounting adaptor for mounting a sensor assembly to a water heater tank Jan 3, 2018 Issued
Array ( [id] => 15542703 [patent_doc_number] => 10571123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-25 [patent_title] => Air supply and exhaust adapter for combustion apparatus [patent_app_type] => utility [patent_app_number] => 15/861535 [patent_app_country] => US [patent_app_date] => 2018-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3343 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15861535 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/861535
Air supply and exhaust adapter for combustion apparatus Jan 2, 2018 Issued
Array ( [id] => 12911878 [patent_doc_number] => 20180195802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => REGENERATORS WITH PRESSURIZED CAVITY IN PARTITION WALLS [patent_app_type] => utility [patent_app_number] => 15/859819 [patent_app_country] => US [patent_app_date] => 2018-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8247 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15859819 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/859819
Regenerators with pressurized cavity in partition walls Jan 1, 2018 Issued
Array ( [id] => 18086320 [patent_doc_number] => 11536448 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-27 [patent_title] => Steam-generating unit of dual circuit reactor with purge and drain system [patent_app_type] => utility [patent_app_number] => 16/627747 [patent_app_country] => US [patent_app_date] => 2017-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3131 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16627747 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/627747
Steam-generating unit of dual circuit reactor with purge and drain system Dec 28, 2017 Issued
Array ( [id] => 17571910 [patent_doc_number] => 11320173 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-03 [patent_title] => Smoke tube boiler [patent_app_type] => utility [patent_app_number] => 16/461605 [patent_app_country] => US [patent_app_date] => 2017-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 42 [patent_no_of_words] => 13598 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16461605 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/461605
Smoke tube boiler Dec 28, 2017 Issued
Array ( [id] => 16370002 [patent_doc_number] => 10801748 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-13 [patent_title] => Water heater with top water outlet [patent_app_type] => utility [patent_app_number] => 15/856868 [patent_app_country] => US [patent_app_date] => 2017-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3712 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15856868 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/856868
Water heater with top water outlet Dec 27, 2017 Issued
Array ( [id] => 17060482 [patent_doc_number] => 11105074 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-31 [patent_title] => Supervisory unit washing facility [patent_app_type] => utility [patent_app_number] => 16/474211 [patent_app_country] => US [patent_app_date] => 2017-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 7402 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16474211 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/474211
Supervisory unit washing facility Dec 21, 2017 Issued
Array ( [id] => 16030167 [patent_doc_number] => 10677494 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-09 [patent_title] => Leak detection system for water heaters [patent_app_type] => utility [patent_app_number] => 15/851307 [patent_app_country] => US [patent_app_date] => 2017-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 7014 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15851307 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/851307
Leak detection system for water heaters Dec 20, 2017 Issued
Array ( [id] => 15542763 [patent_doc_number] => 10571153 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-25 [patent_title] => Water heater operation monitoring and notification [patent_app_type] => utility [patent_app_number] => 15/851293 [patent_app_country] => US [patent_app_date] => 2017-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10870 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15851293 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/851293
Water heater operation monitoring and notification Dec 20, 2017 Issued
Array ( [id] => 15295435 [patent_doc_number] => 20190390853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => A COMBI STOVE AND USE OF A COMBI STOVE [patent_app_type] => utility [patent_app_number] => 16/465261 [patent_app_country] => US [patent_app_date] => 2017-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5365 [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] => 16465261 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/465261
Combi stove and use of a combi stove Dec 17, 2017 Issued
Array ( [id] => 15917311 [patent_doc_number] => 10655891 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-19 [patent_title] => Gas valve control system for a water heater [patent_app_type] => utility [patent_app_number] => 15/842405 [patent_app_country] => US [patent_app_date] => 2017-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3192 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15842405 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/842405
Gas valve control system for a water heater Dec 13, 2017 Issued
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