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] => 14702035 [patent_doc_number] => 10378755 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-08-13 [patent_title] => Segmented watertube boiler system [patent_app_type] => utility [patent_app_number] => 15/832034 [patent_app_country] => US [patent_app_date] => 2017-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 1702 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15832034 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/832034
Segmented watertube boiler system Dec 4, 2017 Issued
Array ( [id] => 14173489 [patent_doc_number] => 10260744 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-16 [patent_title] => Chemical recovery boiler [patent_app_type] => utility [patent_app_number] => 15/832400 [patent_app_country] => US [patent_app_date] => 2017-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2878 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15832400 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/832400
Chemical recovery boiler Dec 4, 2017 Issued
Array ( [id] => 15698631 [patent_doc_number] => 10605486 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-31 [patent_title] => Tank-based and tankless water heater systems [patent_app_type] => utility [patent_app_number] => 15/830552 [patent_app_country] => US [patent_app_date] => 2017-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 17002 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15830552 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/830552
Tank-based and tankless water heater systems Dec 3, 2017 Issued
Array ( [id] => 14377125 [patent_doc_number] => 20190162475 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-30 [patent_title] => Devices, Systems and Methods for Producing Liquids from Desublimating Solids [patent_app_type] => utility [patent_app_number] => 15/827684 [patent_app_country] => US [patent_app_date] => 2017-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2461 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15827684 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/827684
Devices, Systems and Methods for Producing Liquids from Desublimating Solids Nov 29, 2017 Abandoned
Array ( [id] => 14823097 [patent_doc_number] => 10408549 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-10 [patent_title] => Heat exchanger, hot water apparatus, and method of manufacturing heat exchanger [patent_app_type] => utility [patent_app_number] => 15/826008 [patent_app_country] => US [patent_app_date] => 2017-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 7340 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15826008 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/826008
Heat exchanger, hot water apparatus, and method of manufacturing heat exchanger Nov 28, 2017 Issued
Array ( [id] => 14869625 [patent_doc_number] => 20190285054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-19 [patent_title] => AN APPARATUS FOR HEATING A LIQUID [patent_app_type] => utility [patent_app_number] => 16/464056 [patent_app_country] => US [patent_app_date] => 2017-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1810 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 16464056 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/464056
AN APPARATUS FOR HEATING A LIQUID Nov 26, 2017 Abandoned
Array ( [id] => 15212277 [patent_doc_number] => 20190368825 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-05 [patent_title] => RECUPERATOR [patent_app_type] => utility [patent_app_number] => 16/462802 [patent_app_country] => US [patent_app_date] => 2017-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3561 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 351 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16462802 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/462802
Recuperator Nov 26, 2017 Issued
Array ( [id] => 12793852 [patent_doc_number] => 20180156453 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-07 [patent_title] => METHOD AND APPARATUS FOR THE IMPROVED COMBUSTION OF BIOMASS FUELS [patent_app_type] => utility [patent_app_number] => 15/821696 [patent_app_country] => US [patent_app_date] => 2017-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8777 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [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] => 15821696 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/821696
METHOD AND APPARATUS FOR THE IMPROVED COMBUSTION OF BIOMASS FUELS Nov 21, 2017 Abandoned
Array ( [id] => 14784499 [patent_doc_number] => 20190267147 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-29 [patent_title] => METHOD FOR DISMANTLING A STEAM GENERATOR OR HEAT EXCHANGER, IN PARTICULAR A STEAM GENERATOR OR HEAT EXCHANGER OF A NUCLEAR POWER PLANT [patent_app_type] => utility [patent_app_number] => 16/344917 [patent_app_country] => US [patent_app_date] => 2017-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3001 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16344917 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/344917
Method for dismantling a steam generator or heat exchanger, in particular a steam generator or heat exchanger of a nuclear power plant Nov 20, 2017 Issued
Array ( [id] => 12753265 [patent_doc_number] => 20180142922 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-24 [patent_title] => SYSTEM AND METHOD FOR DETERMINING AN ABNORMAL CONDITION OF A WATER HEATER [patent_app_type] => utility [patent_app_number] => 15/818221 [patent_app_country] => US [patent_app_date] => 2017-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3736 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15818221 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/818221
System and method for determining an abnormal condition of a water heater Nov 19, 2017 Issued
Array ( [id] => 14553047 [patent_doc_number] => 10344973 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-07-09 [patent_title] => Apparatus for incinerating explosive devices and biological agents [patent_app_type] => utility [patent_app_number] => 15/732475 [patent_app_country] => US [patent_app_date] => 2017-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3050 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15732475 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/732475
Apparatus for incinerating explosive devices and biological agents Nov 16, 2017 Issued
Array ( [id] => 12240859 [patent_doc_number] => 20180073722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-15 [patent_title] => 'CLEAN BOILER WITH STEAM CONVERSION AND HYDROGEN/OXYGEN PRE-BLENDING' [patent_app_type] => utility [patent_app_number] => 15/813400 [patent_app_country] => US [patent_app_date] => 2017-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2492 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15813400 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/813400
Clean boiler with steam conversion and hydrogen/oxygen pre-blending Nov 14, 2017 Issued
Array ( [id] => 12909520 [patent_doc_number] => 20180195015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => Constant Liquid Level Gasification Furnace with Waste Boiler [patent_app_type] => utility [patent_app_number] => 15/811662 [patent_app_country] => US [patent_app_date] => 2017-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2912 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15811662 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/811662
Constant liquid level gasification furnace with waste boiler Nov 12, 2017 Issued
Array ( [id] => 12260782 [patent_doc_number] => 20180079978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-22 [patent_title] => 'Rotary Grate for a Fixed-Bed Gasifier that Produces a Product Gas from Hydrocarbon-Containing Feedstock' [patent_app_type] => utility [patent_app_number] => 15/810132 [patent_app_country] => US [patent_app_date] => 2017-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3980 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15810132 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/810132
Rotary Grate for a Fixed-Bed Gasifier that Produces a Product Gas from Hydrocarbon-Containing Feedstock Nov 11, 2017 Abandoned
Array ( [id] => 15575983 [patent_doc_number] => 10578363 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-03 [patent_title] => Extended leg return elbow for use with a steel making furnace and method thereof [patent_app_type] => utility [patent_app_number] => 15/809128 [patent_app_country] => US [patent_app_date] => 2017-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4677 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15809128 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/809128
Extended leg return elbow for use with a steel making furnace and method thereof Nov 9, 2017 Issued
Array ( [id] => 14232689 [patent_doc_number] => 20190128517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-02 [patent_title] => Adjustable Capacity Gas Incinerator [patent_app_type] => utility [patent_app_number] => 15/801362 [patent_app_country] => US [patent_app_date] => 2017-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2125 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15801362 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/801362
Adjustable Capacity Gas Incinerator Nov 1, 2017 Abandoned
Array ( [id] => 17541795 [patent_doc_number] => 11306912 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Heat pump system for producing steam by using recuperator [patent_app_type] => utility [patent_app_number] => 16/472570 [patent_app_country] => US [patent_app_date] => 2017-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8828 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16472570 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/472570
Heat pump system for producing steam by using recuperator Oct 31, 2017 Issued
Array ( [id] => 14424555 [patent_doc_number] => 10317074 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-06-11 [patent_title] => Hand-held medication and electronic waste incinerator [patent_app_type] => utility [patent_app_number] => 15/800894 [patent_app_country] => US [patent_app_date] => 2017-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 9822 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15800894 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/800894
Hand-held medication and electronic waste incinerator Oct 31, 2017 Issued
Array ( [id] => 12663256 [patent_doc_number] => 20180112918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-26 [patent_title] => SELF-CONTAINED HEATED TREATMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 15/798089 [patent_app_country] => US [patent_app_date] => 2017-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6238 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15798089 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/798089
Self-contained heated treatment apparatus Oct 29, 2017 Issued
Array ( [id] => 15792243 [patent_doc_number] => 10629854 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-21 [patent_title] => Substrate pre-baking device [patent_app_type] => utility [patent_app_number] => 15/579676 [patent_app_country] => US [patent_app_date] => 2017-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2572 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 314 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15579676 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/579676
Substrate pre-baking device Oct 26, 2017 Issued
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