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] => 18052196 [patent_doc_number] => 11525571 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-13 [patent_title] => Steam injection heater with integrated cleaning mechanism [patent_app_type] => utility [patent_app_number] => 16/864330 [patent_app_country] => US [patent_app_date] => 2020-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3495 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16864330 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/864330
Steam injection heater with integrated cleaning mechanism Apr 30, 2020 Issued
Array ( [id] => 17142686 [patent_doc_number] => 20210310698 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => Instantaneous Water Heater [patent_app_type] => utility [patent_app_number] => 16/840235 [patent_app_country] => US [patent_app_date] => 2020-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2776 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16840235 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/840235
Instantaneous Water Heater Apr 2, 2020 Abandoned
Array ( [id] => 17514526 [patent_doc_number] => 11293669 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-05 [patent_title] => Heat balancing system [patent_app_type] => utility [patent_app_number] => 16/834841 [patent_app_country] => US [patent_app_date] => 2020-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2851 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16834841 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/834841
Heat balancing system Mar 29, 2020 Issued
Array ( [id] => 18315810 [patent_doc_number] => 11629884 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-18 [patent_title] => Tank-based and tankless water heater systems [patent_app_type] => utility [patent_app_number] => 16/834404 [patent_app_country] => US [patent_app_date] => 2020-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 17039 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16834404 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/834404
Tank-based and tankless water heater systems Mar 29, 2020 Issued
Array ( [id] => 16326186 [patent_doc_number] => 20200297151 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => ELECTRIC KETTLE [patent_app_type] => utility [patent_app_number] => 16/826465 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18048 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 16826465 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/826465
Electric kettle Mar 22, 2020 Issued
Array ( [id] => 16326184 [patent_doc_number] => 20200297149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => ELECTRIC KETTLE [patent_app_type] => utility [patent_app_number] => 16/826447 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16832 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16826447 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/826447
Electric kettle Mar 22, 2020 Issued
Array ( [id] => 16326185 [patent_doc_number] => 20200297150 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => ELECTRIC KETTLE [patent_app_type] => utility [patent_app_number] => 16/826457 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16826457 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/826457
Electric kettle Mar 22, 2020 Issued
Array ( [id] => 18275291 [patent_doc_number] => 11614229 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-28 [patent_title] => Water vapor insulation system [patent_app_type] => utility [patent_app_number] => 16/820210 [patent_app_country] => US [patent_app_date] => 2020-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 6274 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [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] => 16820210 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/820210
Water vapor insulation system Mar 15, 2020 Issued
Array ( [id] => 16298750 [patent_doc_number] => 20200284473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => GAS HEATER, METHOD FOR OPERATING THE GAS HEATER AND A GAS BOILER [patent_app_type] => utility [patent_app_number] => 16/811358 [patent_app_country] => US [patent_app_date] => 2020-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4519 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16811358 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/811358
Gas heater, method for operating the gas heater and a gas boiler Mar 5, 2020 Issued
Array ( [id] => 17698031 [patent_doc_number] => 11371751 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-28 [patent_title] => Gas valve control system for a water heater [patent_app_type] => utility [patent_app_number] => 16/796431 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3219 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16796431 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/796431
Gas valve control system for a water heater Feb 19, 2020 Issued
Array ( [id] => 17698032 [patent_doc_number] => 11371752 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-28 [patent_title] => Gas valve control system for a water heater [patent_app_type] => utility [patent_app_number] => 16/796446 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3219 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16796446 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/796446
Gas valve control system for a water heater Feb 19, 2020 Issued
Array ( [id] => 17400596 [patent_doc_number] => 20220042686 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => INTEGRATED RECIRCULATION PUMP FOR NON-CONDENSING WATER HEATER [patent_app_type] => utility [patent_app_number] => 17/431307 [patent_app_country] => US [patent_app_date] => 2020-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6196 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17431307 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/431307
Integrated recirculation pump for non-condensing water heater Feb 17, 2020 Issued
Array ( [id] => 17421755 [patent_doc_number] => 11255200 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-22 [patent_title] => Gas turbine engine with pre-conditioned ceramic matrix composite components [patent_app_type] => utility [patent_app_number] => 16/774793 [patent_app_country] => US [patent_app_date] => 2020-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 11283 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16774793 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/774793
Gas turbine engine with pre-conditioned ceramic matrix composite components Jan 27, 2020 Issued
Array ( [id] => 17743429 [patent_doc_number] => 11391488 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-19 [patent_title] => Apparatuses and methods for supplying natural gas to a frac water heater [patent_app_type] => utility [patent_app_number] => 16/773810 [patent_app_country] => US [patent_app_date] => 2020-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3982 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16773810 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/773810
Apparatuses and methods for supplying natural gas to a frac water heater Jan 26, 2020 Issued
Array ( [id] => 17491226 [patent_doc_number] => 11280520 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-22 [patent_title] => Gas hot water supply [patent_app_type] => utility [patent_app_number] => 16/750799 [patent_app_country] => US [patent_app_date] => 2020-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 4247 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16750799 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/750799
Gas hot water supply Jan 22, 2020 Issued
Array ( [id] => 16177901 [patent_doc_number] => 20200224869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-16 [patent_title] => Rotary Cascading Bed Combustion System [patent_app_type] => utility [patent_app_number] => 16/745007 [patent_app_country] => US [patent_app_date] => 2020-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2234 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 16745007 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/745007
Rotary Cascading Bed Combustion System Jan 15, 2020 Abandoned
Array ( [id] => 17529844 [patent_doc_number] => 11302542 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-12 [patent_title] => Processing apparatus [patent_app_type] => utility [patent_app_number] => 16/737512 [patent_app_country] => US [patent_app_date] => 2020-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4038 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16737512 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/737512
Processing apparatus Jan 7, 2020 Issued
Array ( [id] => 17060906 [patent_doc_number] => 11105500 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-31 [patent_title] => Film temperature optimizer for fired process heaters [patent_app_type] => utility [patent_app_number] => 16/735096 [patent_app_country] => US [patent_app_date] => 2020-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3270 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16735096 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/735096
Film temperature optimizer for fired process heaters Jan 5, 2020 Issued
Array ( [id] => 15896937 [patent_doc_number] => 20200147987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => TRANSPORTATION DEVICE AND RECORDING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/733127 [patent_app_country] => US [patent_app_date] => 2020-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9311 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16733127 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/733127
Transportation device and recording apparatus Jan 1, 2020 Issued
Array ( [id] => 16933452 [patent_doc_number] => 20210199341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => HEATING SYSTEM ENCLOSURE [patent_app_type] => utility [patent_app_number] => 16/731554 [patent_app_country] => US [patent_app_date] => 2019-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3076 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16731554 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/731554
Heating system enclosure Dec 30, 2019 Issued
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