Search

Douglas A. Hess

Examiner (ID: 213, Phone: (571)272-6915 , Office: P/3651 )

Most Active Art Unit
3651
Art Unit(s)
2167, 3652, 3617, 3651, 3107, 3612
Total Applications
2830
Issued Applications
2465
Pending Applications
138
Abandoned Applications
259

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16360794 [patent_doc_number] => 20200317545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => ELECTROLYTIC ZINC DOSING DEVICE AND METHOD FOR REDUCING SCALE [patent_app_type] => utility [patent_app_number] => 16/893845 [patent_app_country] => US [patent_app_date] => 2020-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3473 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 16893845 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/893845
Electrolytic zinc dosing device and method for reducing scale Jun 4, 2020 Issued
Array ( [id] => 16071885 [patent_doc_number] => 20200189929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => Regeneration of Etch Solutions Containing Trivalent Manganese in Acid Media [patent_app_type] => utility [patent_app_number] => 16/800186 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3666 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16800186 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/800186
Regeneration of etch solutions containing trivalent manganese in acid media Feb 24, 2020 Issued
Array ( [id] => 17015494 [patent_doc_number] => 11085121 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-10 [patent_title] => Methods for treating lithium-containing materials [patent_app_type] => utility [patent_app_number] => 16/712961 [patent_app_country] => US [patent_app_date] => 2019-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 11343 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16712961 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/712961
Methods for treating lithium-containing materials Dec 11, 2019 Issued
Array ( [id] => 15928811 [patent_doc_number] => 20200156039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => UPGRADING PROCESS STREAMS [patent_app_type] => utility [patent_app_number] => 16/704850 [patent_app_country] => US [patent_app_date] => 2019-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16704850 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/704850
UPGRADING PROCESS STREAMS Dec 4, 2019 Abandoned
Array ( [id] => 16999783 [patent_doc_number] => 11078583 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-03 [patent_title] => Processes for preparing lithium hydroxide [patent_app_type] => utility [patent_app_number] => 16/579173 [patent_app_country] => US [patent_app_date] => 2019-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 38 [patent_no_of_words] => 19878 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [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] => 16579173 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/579173
Processes for preparing lithium hydroxide Sep 22, 2019 Issued
Array ( [id] => 15556415 [patent_doc_number] => 20200062619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-27 [patent_title] => Water Treatment Process [patent_app_type] => utility [patent_app_number] => 16/553100 [patent_app_country] => US [patent_app_date] => 2019-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3729 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16553100 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/553100
Water treatment process Aug 26, 2019 Issued
Array ( [id] => 15267111 [patent_doc_number] => 20190382289 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-19 [patent_title] => APPARATUS AND METHOD FOR REMOVAL OF IONS [patent_app_type] => utility [patent_app_number] => 16/548302 [patent_app_country] => US [patent_app_date] => 2019-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12187 [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] => 16548302 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/548302
Apparatus and method for removal of ions Aug 21, 2019 Issued
Array ( [id] => 16831993 [patent_doc_number] => 11008232 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-18 [patent_title] => System for generating natural chlorine [patent_app_type] => utility [patent_app_number] => 16/537525 [patent_app_country] => US [patent_app_date] => 2019-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 9124 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16537525 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/537525
System for generating natural chlorine Aug 9, 2019 Issued
Array ( [id] => 15405975 [patent_doc_number] => 20200023309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-23 [patent_title] => DEVICE AND METHOD FOR PURIFYING SULFUR DIOXIDE AND NITROGEN OXIDE IN FLUE GAS [patent_app_type] => utility [patent_app_number] => 16/515634 [patent_app_country] => US [patent_app_date] => 2019-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3599 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16515634 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/515634
Device and method for purifying sulfur dioxide and nitrogen oxide in flue gas Jul 17, 2019 Issued
Array ( [id] => 15038165 [patent_doc_number] => 20190330087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-31 [patent_title] => DESALINATION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 16/507626 [patent_app_country] => US [patent_app_date] => 2019-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4969 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 16507626 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/507626
DESALINATION SYSTEM AND METHOD Jul 9, 2019 Abandoned
Array ( [id] => 16832003 [patent_doc_number] => 11008242 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-18 [patent_title] => Deep sludge dewatering method using electroosmosis with filter bags [patent_app_type] => utility [patent_app_number] => 16/504256 [patent_app_country] => US [patent_app_date] => 2019-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1852 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16504256 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/504256
Deep sludge dewatering method using electroosmosis with filter bags Jul 5, 2019 Issued
Array ( [id] => 15321843 [patent_doc_number] => 20200001251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => ION SELECTIVE MEMBRANE WITH IONOPHORES [patent_app_type] => utility [patent_app_number] => 16/454935 [patent_app_country] => US [patent_app_date] => 2019-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3788 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16454935 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/454935
Ion selective membrane with ionophores Jun 26, 2019 Issued
Array ( [id] => 15177829 [patent_doc_number] => 20190359506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => SYSTEM AND METHOD FOR HIGH EFFICIENCY ELECTROCHEMICAL DESALINATION [patent_app_type] => utility [patent_app_number] => 16/418487 [patent_app_country] => US [patent_app_date] => 2019-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13917 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16418487 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/418487
System and method for high efficiency electrochemical desalination May 20, 2019 Issued
Array ( [id] => 14806881 [patent_doc_number] => 20190270050 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-05 [patent_title] => METHOD AND APPARATUS FOR WAFER ENHANCED ELECTRODEIONIZATION OF ACID STREAMS [patent_app_type] => utility [patent_app_number] => 16/288992 [patent_app_country] => US [patent_app_date] => 2019-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5276 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16288992 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/288992
Method and apparatus for wafer enhanced electrodeionization of acid streams Feb 27, 2019 Issued
Array ( [id] => 16770760 [patent_doc_number] => 10981848 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-20 [patent_title] => Carbon dioxide electrolytic device and method of electrolyzing carbon dioxide [patent_app_type] => utility [patent_app_number] => 16/288145 [patent_app_country] => US [patent_app_date] => 2019-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 18723 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16288145 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/288145
Carbon dioxide electrolytic device and method of electrolyzing carbon dioxide Feb 27, 2019 Issued
Array ( [id] => 14624291 [patent_doc_number] => 20190225513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-25 [patent_title] => CARBON ELECTRODES BASED CAPACITIVE DEIONIZATION FOR THE DESALINATION OF WATER [patent_app_type] => utility [patent_app_number] => 16/256396 [patent_app_country] => US [patent_app_date] => 2019-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8958 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -38 [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] => 16256396 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/256396
Carbon electrodes based capacitive deionization for the desalination of water Jan 23, 2019 Issued
Array ( [id] => 14278217 [patent_doc_number] => 20190136393 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-09 [patent_title] => ELECTROCHEMICAL AND THERMAL DIGESTION OF ORGANIC MOLECULES [patent_app_type] => utility [patent_app_number] => 16/238993 [patent_app_country] => US [patent_app_date] => 2019-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16238993 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/238993
ELECTROCHEMICAL AND THERMAL DIGESTION OF ORGANIC MOLECULES Jan 2, 2019 Abandoned
Array ( [id] => 16111247 [patent_doc_number] => 20200207646 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => DESALINATION ELECTRODE [patent_app_type] => utility [patent_app_number] => 16/233512 [patent_app_country] => US [patent_app_date] => 2018-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6121 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16233512 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/233512
Desalination electrode Dec 26, 2018 Issued
Array ( [id] => 16549618 [patent_doc_number] => 10882767 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-05 [patent_title] => Method for removing ammonia nitrogen in aqueous solution [patent_app_type] => utility [patent_app_number] => 16/223434 [patent_app_country] => US [patent_app_date] => 2018-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 24 [patent_no_of_words] => 5377 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16223434 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/223434
Method for removing ammonia nitrogen in aqueous solution Dec 17, 2018 Issued
Array ( [id] => 15817161 [patent_doc_number] => 10633747 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-28 [patent_title] => Gas generator [patent_app_type] => utility [patent_app_number] => 16/219132 [patent_app_country] => US [patent_app_date] => 2018-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3925 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16219132 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/219132
Gas generator Dec 12, 2018 Issued
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