Search

Nathaniel Herzfeld

Examiner (ID: 7456, Phone: (571)272-5899 , Office: P/3749 )

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

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18341823 [patent_doc_number] => 11639296 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-05-02 [patent_title] => Evaporation panel systems and methods [patent_app_type] => utility [patent_app_number] => 17/964231 [patent_app_country] => US [patent_app_date] => 2022-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 55 [patent_figures_cnt] => 110 [patent_no_of_words] => 51295 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17964231 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/964231
Evaporation panel systems and methods Oct 11, 2022 Issued
Array ( [id] => 18526916 [patent_doc_number] => 11713905 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => System for reducing risk of bacterial contamination of a water heater [patent_app_type] => utility [patent_app_number] => 17/930518 [patent_app_country] => US [patent_app_date] => 2022-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6035 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 387 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17930518 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/930518
System for reducing risk of bacterial contamination of a water heater Sep 7, 2022 Issued
Array ( [id] => 18275293 [patent_doc_number] => 11614231 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-03-28 [patent_title] => Process and apparatus for recovering energy from low energy density gas stream [patent_app_type] => utility [patent_app_number] => 17/664281 [patent_app_country] => US [patent_app_date] => 2022-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 7067 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17664281 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/664281
Process and apparatus for recovering energy from low energy density gas stream May 19, 2022 Issued
Array ( [id] => 17808446 [patent_doc_number] => 20220260281 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => WATER HEATER OPERATION MONITORING AND NOTIFICATION [patent_app_type] => utility [patent_app_number] => 17/662119 [patent_app_country] => US [patent_app_date] => 2022-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10920 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17662119 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/662119
Water heater operation monitoring and notification May 4, 2022 Issued
Array ( [id] => 18605590 [patent_doc_number] => 11747047 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Hot water tank with thermal mixing valve [patent_app_type] => utility [patent_app_number] => 17/651880 [patent_app_country] => US [patent_app_date] => 2022-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 8230 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17651880 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/651880
Hot water tank with thermal mixing valve Feb 20, 2022 Issued
Array ( [id] => 17386670 [patent_doc_number] => 20220034522 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => TANKLESS WATER HEATER HAVING INTEGRATED SCALE CONTROL MODULE [patent_app_type] => utility [patent_app_number] => 17/499629 [patent_app_country] => US [patent_app_date] => 2021-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4643 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17499629 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/499629
Tankless water heater having integrated scale control module Oct 11, 2021 Issued
Array ( [id] => 18261283 [patent_doc_number] => 11608981 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-03-21 [patent_title] => Nozzle for feeding combustion media into a furnace [patent_app_type] => utility [patent_app_number] => 17/462838 [patent_app_country] => US [patent_app_date] => 2021-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2935 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17462838 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/462838
Nozzle for feeding combustion media into a furnace Aug 30, 2021 Issued
Array ( [id] => 17705628 [patent_doc_number] => 20220205634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => WASTE TREATMENT INCINERATOR AND TREATMENT EQUIPMENT INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/333121 [patent_app_country] => US [patent_app_date] => 2021-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17333121 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/333121
Waste treatment incinerator and treatment equipment including the same May 27, 2021 Issued
Array ( [id] => 17793211 [patent_doc_number] => 20220252302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => SMART ELECTRIC HEATING DEVICE [patent_app_type] => utility [patent_app_number] => 17/329550 [patent_app_country] => US [patent_app_date] => 2021-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2937 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17329550 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/329550
Smart electric heating device May 24, 2021 Issued
Array ( [id] => 17852823 [patent_doc_number] => 20220282865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => MOBILE DISASTER CREMATORY [patent_app_type] => utility [patent_app_number] => 17/249482 [patent_app_country] => US [patent_app_date] => 2021-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2860 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17249482 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/249482
MOBILE DISASTER CREMATORY Mar 2, 2021 Abandoned
Array ( [id] => 17023195 [patent_doc_number] => 20210247066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => HEAT SHRINK GAS GUN [patent_app_type] => utility [patent_app_number] => 17/155584 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1477 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17155584 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/155584
Heat shrink gas gun Jan 21, 2021 Issued
Array ( [id] => 17705676 [patent_doc_number] => 20220205682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => SMART CIRCULATION CONTROL INSTANTANEOUS-HEATING STORAGE HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 17/137351 [patent_app_country] => US [patent_app_date] => 2020-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2726 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17137351 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/137351
SMART CIRCULATION CONTROL INSTANTANEOUS-HEATING STORAGE HEAT EXCHANGER Dec 29, 2020 Abandoned
Array ( [id] => 18006001 [patent_doc_number] => 20220364767 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => SACRIFICIAL ANODE AND METHOD FOR DETERMINING ANODE HEALTH FOR WATER HEATER EARLY WARNING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/770685 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4865 [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] => 17770685 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/770685
Sacrificial anode and method for determining anode health for water heater early warning system Oct 28, 2020 Issued
Array ( [id] => 18135347 [patent_doc_number] => 11561006 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-24 [patent_title] => Apparatus and process for a kinetic feed plug screw [patent_app_type] => utility [patent_app_number] => 17/078894 [patent_app_country] => US [patent_app_date] => 2020-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3353 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17078894 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/078894
Apparatus and process for a kinetic feed plug screw Oct 22, 2020 Issued
Array ( [id] => 16689616 [patent_doc_number] => 20210072093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => BRACKET FOR FIXING TEMPERATURE SENSOR, HEAT EXCHANGER INCLUDING THE BRACKET, AND WATER HEATING APPARATUS USING THE HEAT EXCHANGER FOR FREEZE PROTECTION [patent_app_type] => utility [patent_app_number] => 17/017163 [patent_app_country] => US [patent_app_date] => 2020-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17017163 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/017163
Bracket for fixing temperature sensor, heat exchanger including the bracket, and water heating apparatus using the heat exchanger for freeze protection Sep 9, 2020 Issued
Array ( [id] => 16689476 [patent_doc_number] => 20210071953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => ROTARY KILN THERMAL MONITORING AND COOLING SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/017345 [patent_app_country] => US [patent_app_date] => 2020-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33675 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -69 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17017345 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/017345
Rotary kiln thermal monitoring and cooling systems Sep 9, 2020 Issued
Array ( [id] => 16674291 [patent_doc_number] => 20210063054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => WATER HEATER [patent_app_type] => utility [patent_app_number] => 16/997056 [patent_app_country] => US [patent_app_date] => 2020-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6139 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 399 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16997056 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/997056
Tankless water heater with bypass valve operating differently in intermittent operation and normal operation Aug 18, 2020 Issued
Array ( [id] => 17345461 [patent_doc_number] => 20220011792 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => WATER HEATER APPLIANCES AND METHODS FOR CONTROLLING A MIXING VALVE FLOW [patent_app_type] => utility [patent_app_number] => 16/925493 [patent_app_country] => US [patent_app_date] => 2020-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7903 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16925493 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/925493
Water heater appliances and methods for controlling a mixing valve with a park period Jul 9, 2020 Issued
Array ( [id] => 16362084 [patent_doc_number] => 20200318835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => HOB WITH CENTRAL DOWNWARD REMOVAL OF COOKING VAPORS THROUGH SUCTION [patent_app_type] => utility [patent_app_number] => 16/907628 [patent_app_country] => US [patent_app_date] => 2020-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16907628 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/907628
Hob with central downward removal of cooking vapors through suction Jun 21, 2020 Issued
Array ( [id] => 18385255 [patent_doc_number] => 11656029 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Regenerators with pressurized cavity in partition walls [patent_app_type] => utility [patent_app_number] => 16/898970 [patent_app_country] => US [patent_app_date] => 2020-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8262 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16898970 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/898970
Regenerators with pressurized cavity in partition walls Jun 10, 2020 Issued
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