Search

Luan V. Van

Supervisory Patent Examiner (ID: 13444, Phone: (571)272-8521 , Office: P/1759 )

Most Active Art Unit
1795
Art Unit(s)
1756, 1759, 1795, 1753, 1724
Total Applications
771
Issued Applications
265
Pending Applications
73
Abandoned Applications
435

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1865197 [patent_doc_number] => 04270109 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-05-26 [patent_title] => 'Bounce-free lifting device' [patent_app_type] => 1 [patent_app_number] => 6/039568 [patent_app_country] => US [patent_app_date] => 1979-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1339 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/270/04270109.pdf [firstpage_image] =>[orig_patent_app_number] => 039568 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/039568
Bounce-free lifting device May 14, 1979 Issued
Array ( [id] => 1872416 [patent_doc_number] => 04259656 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-03-31 [patent_title] => 'Thermal cut-off device with an activating spring that is held in a prestressed condition by a thermally fusible pellet' [patent_app_type] => 1 [patent_app_number] => 6/037970 [patent_app_country] => US [patent_app_date] => 1979-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 920 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/259/04259656.pdf [firstpage_image] =>[orig_patent_app_number] => 037970 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/037970
Thermal cut-off device with an activating spring that is held in a prestressed condition by a thermally fusible pellet May 10, 1979 Issued
Array ( [id] => 1872397 [patent_doc_number] => 04259652 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-03-31 [patent_title] => 'Reversing relay for permanent magnet DC motor' [patent_app_type] => 1 [patent_app_number] => 6/034108 [patent_app_country] => US [patent_app_date] => 1979-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3432 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/259/04259652.pdf [firstpage_image] =>[orig_patent_app_number] => 034108 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/034108
Reversing relay for permanent magnet DC motor Apr 29, 1979 Issued
Array ( [id] => 1995707 [patent_doc_number] => 04329668 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-05-11 [patent_title] => 'Leakage current circuit breaker responsive to direct-current leakage currents of both polarities' [patent_app_type] => 1 [patent_app_number] => 6/141082 [patent_app_country] => US [patent_app_date] => 1979-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 3156 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/329/04329668.pdf [firstpage_image] =>[orig_patent_app_number] => 141082 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/141082
Leakage current circuit breaker responsive to direct-current leakage currents of both polarities Apr 25, 1979 Issued
Array ( [id] => 1919656 [patent_doc_number] => 04277766 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-07-07 [patent_title] => 'Electric circuit switching device' [patent_app_type] => 1 [patent_app_number] => 6/032020 [patent_app_country] => US [patent_app_date] => 1979-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3836 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/277/04277766.pdf [firstpage_image] =>[orig_patent_app_number] => 032020 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/032020
Electric circuit switching device Apr 19, 1979 Issued
Array ( [id] => 1903201 [patent_doc_number] => 04276531 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-06-30 [patent_title] => 'Nonresetable thermally actuated switch' [patent_app_type] => 1 [patent_app_number] => 6/032006 [patent_app_country] => US [patent_app_date] => 1979-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 9 [patent_no_of_words] => 2871 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/276/04276531.pdf [firstpage_image] =>[orig_patent_app_number] => 032006 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/032006
Nonresetable thermally actuated switch Apr 19, 1979 Issued
Array ( [id] => 1875986 [patent_doc_number] => 04251051 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-02-17 [patent_title] => 'Solenoid structure having a relatively unrestrained generally flat armature member' [patent_app_type] => 1 [patent_app_number] => 6/031411 [patent_app_country] => US [patent_app_date] => 1979-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 5370 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/251/04251051.pdf [firstpage_image] =>[orig_patent_app_number] => 031411 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/031411
Solenoid structure having a relatively unrestrained generally flat armature member Apr 18, 1979 Issued
Array ( [id] => 1933177 [patent_doc_number] => 04262274 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-04-14 [patent_title] => 'Thermal electric switch' [patent_app_type] => 1 [patent_app_number] => 6/029890 [patent_app_country] => US [patent_app_date] => 1979-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 3550 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/262/04262274.pdf [firstpage_image] =>[orig_patent_app_number] => 029890 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/029890
Thermal electric switch Apr 12, 1979 Issued
Array ( [id] => 1893750 [patent_doc_number] => 04260977 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-04-07 [patent_title] => 'Thermostatic switch' [patent_app_type] => 1 [patent_app_number] => 6/029239 [patent_app_country] => US [patent_app_date] => 1979-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2495 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/260/04260977.pdf [firstpage_image] =>[orig_patent_app_number] => 029239 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/029239
Thermostatic switch Apr 10, 1979 Issued
Array ( [id] => 1893721 [patent_doc_number] => 04260971 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-04-07 [patent_title] => 'Electromagnetic relay comprising positively guided contacts' [patent_app_type] => 1 [patent_app_number] => 6/028418 [patent_app_country] => US [patent_app_date] => 1979-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 19 [patent_no_of_words] => 2731 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/260/04260971.pdf [firstpage_image] =>[orig_patent_app_number] => 028418 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/028418
Electromagnetic relay comprising positively guided contacts Apr 8, 1979 Issued
Array ( [id] => 1865215 [patent_doc_number] => 04270113 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-05-26 [patent_title] => 'Thermal overload relay' [patent_app_type] => 1 [patent_app_number] => 6/028021 [patent_app_country] => US [patent_app_date] => 1979-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2290 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/270/04270113.pdf [firstpage_image] =>[orig_patent_app_number] => 028021 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/028021
Thermal overload relay Apr 5, 1979 Issued
Array ( [id] => 1906738 [patent_doc_number] => 04302741 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-11-24 [patent_title] => 'Oil filled switch mechanism and uses therefore' [patent_app_type] => 1 [patent_app_number] => 6/026597 [patent_app_country] => US [patent_app_date] => 1979-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 13 [patent_no_of_words] => 1935 [patent_no_of_claims] => 8 [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] => patents/04/302/04302741.pdf [firstpage_image] =>[orig_patent_app_number] => 026597 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/026597
Oil filled switch mechanism and uses therefore Apr 3, 1979 Issued
Array ( [id] => 1890513 [patent_doc_number] => 04281309 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-07-28 [patent_title] => 'Thermally actuated cut-off link or switch and method of making the same' [patent_app_type] => 1 [patent_app_number] => 6/025949 [patent_app_country] => US [patent_app_date] => 1979-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 25 [patent_no_of_words] => 8538 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/281/04281309.pdf [firstpage_image] =>[orig_patent_app_number] => 025949 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/025949
Thermally actuated cut-off link or switch and method of making the same Apr 1, 1979 Issued
Array ( [id] => 1886101 [patent_doc_number] => 04297664 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-10-27 [patent_title] => 'Electromagnetic overcurrent tripping device with adjustable armature air gap' [patent_app_type] => 1 [patent_app_number] => 6/024511 [patent_app_country] => US [patent_app_date] => 1979-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 1161 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/297/04297664.pdf [firstpage_image] =>[orig_patent_app_number] => 024511 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/024511
Electromagnetic overcurrent tripping device with adjustable armature air gap Mar 27, 1979 Issued
Array ( [id] => 1921262 [patent_doc_number] => 04264885 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-04-28 [patent_title] => 'Electromagnetic relay' [patent_app_type] => 1 [patent_app_number] => 6/022364 [patent_app_country] => US [patent_app_date] => 1979-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 2649 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/264/04264885.pdf [firstpage_image] =>[orig_patent_app_number] => 022364 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/022364
Electromagnetic relay Mar 19, 1979 Issued
Array ( [id] => 1893711 [patent_doc_number] => 04260969 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-04-07 [patent_title] => 'Low voltage circuit breaker with an electromagnetic tripping device' [patent_app_type] => 1 [patent_app_number] => 6/017980 [patent_app_country] => US [patent_app_date] => 1979-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 1889 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/260/04260969.pdf [firstpage_image] =>[orig_patent_app_number] => 017980 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/017980
Low voltage circuit breaker with an electromagnetic tripping device Mar 5, 1979 Issued
Array ( [id] => 1885753 [patent_doc_number] => 04274069 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-06-16 [patent_title] => 'Locking arrangement for electric circuit breakers' [patent_app_type] => 1 [patent_app_number] => 6/017919 [patent_app_country] => US [patent_app_date] => 1979-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 2006 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/274/04274069.pdf [firstpage_image] =>[orig_patent_app_number] => 017919 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/017919
Locking arrangement for electric circuit breakers Mar 5, 1979 Issued
Array ( [id] => 1890489 [patent_doc_number] => 04281304 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-07-28 [patent_title] => 'Electric circuit switchgear' [patent_app_type] => 1 [patent_app_number] => 6/015167 [patent_app_country] => US [patent_app_date] => 1979-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3903 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/281/04281304.pdf [firstpage_image] =>[orig_patent_app_number] => 015167 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/015167
Electric circuit switchgear Feb 25, 1979 Issued
Array ( [id] => 1893735 [patent_doc_number] => 04260974 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-04-07 [patent_title] => 'Deflection unit for a cathode-ray tube' [patent_app_type] => 1 [patent_app_number] => 6/010874 [patent_app_country] => US [patent_app_date] => 1979-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1521 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/260/04260974.pdf [firstpage_image] =>[orig_patent_app_number] => 010874 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/010874
Deflection unit for a cathode-ray tube Feb 8, 1979 Issued
Array ( [id] => 1871513 [patent_doc_number] => 04306210 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-12-15 [patent_title] => 'Two-stage temperature switch' [patent_app_type] => 1 [patent_app_number] => 6/000370 [patent_app_country] => US [patent_app_date] => 1978-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2306 [patent_no_of_claims] => 14 [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] => patents/04/306/04306210.pdf [firstpage_image] =>[orig_patent_app_number] => 000370 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/000370
Two-stage temperature switch Dec 28, 1978 Issued
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