Search

Helen F. Heggestad

Examiner (ID: 5223, Phone: (571)272-1404 , Office: P/1793 )

Most Active Art Unit
1761
Art Unit(s)
1302, 1761, 1789, 1793, 1781, 2899, 1794
Total Applications
2744
Issued Applications
1812
Pending Applications
195
Abandoned Applications
741

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2817083 [patent_doc_number] => 05094669 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-10 [patent_title] => 'Method of controlling the gasification of solid fuels in a rotary-grate gas producer' [patent_app_type] => 1 [patent_app_number] => 7/579456 [patent_app_country] => US [patent_app_date] => 1990-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2251 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/094/05094669.pdf [firstpage_image] =>[orig_patent_app_number] => 579456 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/579456
Method of controlling the gasification of solid fuels in a rotary-grate gas producer Sep 6, 1990 Issued
Array ( [id] => 2796865 [patent_doc_number] => 05147415 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-15 [patent_title] => 'Process of treating the gases produced by the gasification of solid fine-grained fuels' [patent_app_type] => 1 [patent_app_number] => 7/574983 [patent_app_country] => US [patent_app_date] => 1990-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2399 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/147/05147415.pdf [firstpage_image] =>[orig_patent_app_number] => 574983 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/574983
Process of treating the gases produced by the gasification of solid fine-grained fuels Aug 28, 1990 Issued
Array ( [id] => 2668400 [patent_doc_number] => 05073350 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-17 [patent_title] => 'Heat exchanger for heating the charge of a catalytic reforming unit operating under low pressure' [patent_app_type] => 1 [patent_app_number] => 7/572584 [patent_app_country] => US [patent_app_date] => 1990-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2003 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/073/05073350.pdf [firstpage_image] =>[orig_patent_app_number] => 572584 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/572584
Heat exchanger for heating the charge of a catalytic reforming unit operating under low pressure Aug 26, 1990 Issued
Array ( [id] => 2846381 [patent_doc_number] => 05133780 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-28 [patent_title] => 'Apparatus for fixed bed coal gasification' [patent_app_type] => 1 [patent_app_number] => 7/565039 [patent_app_country] => US [patent_app_date] => 1990-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5353 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/133/05133780.pdf [firstpage_image] =>[orig_patent_app_number] => 565039 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/565039
Apparatus for fixed bed coal gasification Aug 8, 1990 Issued
Array ( [id] => 3471097 [patent_doc_number] => 05427745 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-27 [patent_title] => 'Catalytic cracking apparatus using regenerator with multiple catalyst outlets' [patent_app_type] => 1 [patent_app_number] => 7/564254 [patent_app_country] => US [patent_app_date] => 1990-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5324 [patent_no_of_claims] => 2 [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] => patents/05/427/05427745.pdf [firstpage_image] =>[orig_patent_app_number] => 564254 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/564254
Catalytic cracking apparatus using regenerator with multiple catalyst outlets Aug 7, 1990 Issued
Array ( [id] => 2661920 [patent_doc_number] => 05069685 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-03 [patent_title] => 'Two-stage coal gasification and desulfurization apparatus' [patent_app_type] => 1 [patent_app_number] => 7/562298 [patent_app_country] => US [patent_app_date] => 1990-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4141 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/069/05069685.pdf [firstpage_image] =>[orig_patent_app_number] => 562298 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/562298
Two-stage coal gasification and desulfurization apparatus Aug 2, 1990 Issued
Array ( [id] => 2702467 [patent_doc_number] => 05041144 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-20 [patent_title] => 'Process of purifying raw fuel gas produced by a gasification of solid fuels' [patent_app_type] => 1 [patent_app_number] => 7/561886 [patent_app_country] => US [patent_app_date] => 1990-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2814 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 362 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/041/05041144.pdf [firstpage_image] =>[orig_patent_app_number] => 561886 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/561886
Process of purifying raw fuel gas produced by a gasification of solid fuels Aug 1, 1990 Issued
Array ( [id] => 2863112 [patent_doc_number] => 05096673 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Natural gas treating system including mercury trap' [patent_app_type] => 1 [patent_app_number] => 7/559877 [patent_app_country] => US [patent_app_date] => 1990-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1838 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/096/05096673.pdf [firstpage_image] =>[orig_patent_app_number] => 559877 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/559877
Natural gas treating system including mercury trap Jul 26, 1990 Issued
Array ( [id] => 2665573 [patent_doc_number] => 05069882 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-03 [patent_title] => 'Carbon black reactor with a choke extension' [patent_app_type] => 1 [patent_app_number] => 7/556028 [patent_app_country] => US [patent_app_date] => 1990-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2769 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/069/05069882.pdf [firstpage_image] =>[orig_patent_app_number] => 556028 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/556028
Carbon black reactor with a choke extension Jul 19, 1990 Issued
Array ( [id] => 2674981 [patent_doc_number] => 04995193 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-26 [patent_title] => 'Method of preventing adherence of ash to gasifier wall' [patent_app_type] => 1 [patent_app_number] => 7/553632 [patent_app_country] => US [patent_app_date] => 1990-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2219 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/995/04995193.pdf [firstpage_image] =>[orig_patent_app_number] => 553632 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/553632
Method of preventing adherence of ash to gasifier wall Jul 17, 1990 Issued
Array ( [id] => 2775409 [patent_doc_number] => 05087270 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-11 [patent_title] => 'Device using a flame for producing synthetic gas' [patent_app_type] => 1 [patent_app_number] => 7/549624 [patent_app_country] => US [patent_app_date] => 1990-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 10 [patent_no_of_words] => 3101 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 298 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/087/05087270.pdf [firstpage_image] =>[orig_patent_app_number] => 549624 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/549624
Device using a flame for producing synthetic gas Jul 8, 1990 Issued
Array ( [id] => 2755791 [patent_doc_number] => 04994093 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-19 [patent_title] => 'Method of producing methanol synthesis gas' [patent_app_type] => 1 [patent_app_number] => 7/550133 [patent_app_country] => US [patent_app_date] => 1990-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3803 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/994/04994093.pdf [firstpage_image] =>[orig_patent_app_number] => 550133 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/550133
Method of producing methanol synthesis gas Jul 5, 1990 Issued
Array ( [id] => 2842113 [patent_doc_number] => 05110559 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-05 [patent_title] => 'Hydrogen generating apparatus' [patent_app_type] => 1 [patent_app_number] => 7/544381 [patent_app_country] => US [patent_app_date] => 1990-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 4810 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/110/05110559.pdf [firstpage_image] =>[orig_patent_app_number] => 544381 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/544381
Hydrogen generating apparatus Jun 26, 1990 Issued
07/542305 REFORMER FOR FUEL CELL SYSTEM Jun 21, 1990 Abandoned
07/542234 MULTIPLE VESSEL MOLTEN METAL GASIFIER Jun 20, 1990 Abandoned
07/541701 CLOSURE FOR CLEAN CHEMICAL REACTOR Jun 20, 1990 Abandoned
Array ( [id] => 2737895 [patent_doc_number] => 05011507 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-30 [patent_title] => 'Apparatus for cooling and purifying a hot gas' [patent_app_type] => 1 [patent_app_number] => 7/538964 [patent_app_country] => US [patent_app_date] => 1990-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3699 [patent_no_of_claims] => 16 [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] => patents/05/011/05011507.pdf [firstpage_image] =>[orig_patent_app_number] => 538964 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/538964
Apparatus for cooling and purifying a hot gas Jun 15, 1990 Issued
Array ( [id] => 2727672 [patent_doc_number] => 04997459 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-05 [patent_title] => 'Gas pressure relief system' [patent_app_type] => 1 [patent_app_number] => 7/538912 [patent_app_country] => US [patent_app_date] => 1990-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 6284 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/997/04997459.pdf [firstpage_image] =>[orig_patent_app_number] => 538912 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/538912
Gas pressure relief system Jun 14, 1990 Issued
07/536931 METHOD AND APPARATUS FOR GASIFYING SOLID CARBONACEOUS MATERIAL Jun 11, 1990 Abandoned
Array ( [id] => 2849600 [patent_doc_number] => 05112576 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-12 [patent_title] => 'Catalytic cracking unit with combined catalyst separator and stripper' [patent_app_type] => 1 [patent_app_number] => 7/529191 [patent_app_country] => US [patent_app_date] => 1990-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4981 [patent_no_of_claims] => 18 [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] => patents/05/112/05112576.pdf [firstpage_image] =>[orig_patent_app_number] => 529191 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/529191
Catalytic cracking unit with combined catalyst separator and stripper May 24, 1990 Issued
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