Search

Matthew Van Nguyen

Examiner (ID: 15952, Phone: (571)272-2081 , Office: P/2838 )

Most Active Art Unit
2838
Art Unit(s)
2102, 2838, 2839, 2111
Total Applications
3253
Issued Applications
3031
Pending Applications
87
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1910136 [patent_doc_number] => 04270519 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-06-02 [patent_title] => 'Solar heating system' [patent_app_type] => 1 [patent_app_number] => 6/005246 [patent_app_country] => US [patent_app_date] => 1979-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3316 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/270/04270519.pdf [firstpage_image] =>[orig_patent_app_number] => 005246 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/005246
Solar heating system Jan 21, 1979 Issued
Array ( [id] => 1889508 [patent_doc_number] => 04260103 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-04-07 [patent_title] => 'Heating system for a railway car for utilizing waste heat from an engine' [patent_app_type] => 1 [patent_app_number] => 6/004072 [patent_app_country] => US [patent_app_date] => 1979-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1745 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/260/04260103.pdf [firstpage_image] =>[orig_patent_app_number] => 004072 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/004072
Heating system for a railway car for utilizing waste heat from an engine Jan 16, 1979 Issued
Array ( [id] => 1911944 [patent_doc_number] => 04307579 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-12-29 [patent_title] => 'Discharge door stiffener for an air conditioning unit' [patent_app_type] => 1 [patent_app_number] => 6/001565 [patent_app_country] => US [patent_app_date] => 1979-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1588 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/307/04307579.pdf [firstpage_image] =>[orig_patent_app_number] => 001565 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/001565
Discharge door stiffener for an air conditioning unit Jan 4, 1979 Issued
Array ( [id] => 1930885 [patent_doc_number] => 04346836 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-31 [patent_title] => 'Pressure cooker canning unit' [patent_app_type] => 1 [patent_app_number] => 6/000178 [patent_app_country] => US [patent_app_date] => 1979-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2686 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 383 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/346/04346836.pdf [firstpage_image] =>[orig_patent_app_number] => 000178 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/000178
Pressure cooker canning unit Jan 1, 1979 Issued
Array ( [id] => 1899569 [patent_doc_number] => 04275831 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-06-30 [patent_title] => 'Make up air system' [patent_app_type] => 1 [patent_app_number] => 5/972775 [patent_app_country] => US [patent_app_date] => 1978-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1783 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/275/04275831.pdf [firstpage_image] =>[orig_patent_app_number] => 972775 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/972775
Make up air system Dec 25, 1978 Issued
Array ( [id] => 1948634 [patent_doc_number] => 04312476 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-01-26 [patent_title] => 'Bivalent heating system' [patent_app_type] => 1 [patent_app_number] => 5/973530 [patent_app_country] => US [patent_app_date] => 1978-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1647 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/312/04312476.pdf [firstpage_image] =>[orig_patent_app_number] => 973530 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/973530
Bivalent heating system Dec 25, 1978 Issued
Array ( [id] => 1923994 [patent_doc_number] => 04284129 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-08-18 [patent_title] => 'Baseboard space heating, air conditioning and humidity control system' [patent_app_type] => 1 [patent_app_number] => 5/966205 [patent_app_country] => US [patent_app_date] => 1978-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 4324 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/284/04284129.pdf [firstpage_image] =>[orig_patent_app_number] => 966205 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/966205
Baseboard space heating, air conditioning and humidity control system Dec 3, 1978 Issued
Array ( [id] => 1874730 [patent_doc_number] => 04254822 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-03-10 [patent_title] => 'Building heating system, particularly utilizing solar and waste heat recovery' [patent_app_type] => 1 [patent_app_number] => 5/963790 [patent_app_country] => US [patent_app_date] => 1978-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 4556 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/254/04254822.pdf [firstpage_image] =>[orig_patent_app_number] => 963790 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/963790
Building heating system, particularly utilizing solar and waste heat recovery Nov 26, 1978 Issued
Array ( [id] => 1923553 [patent_doc_number] => 04286506 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-09-01 [patent_title] => 'Air ventilation apparatus for vehicle' [patent_app_type] => 1 [patent_app_number] => 5/963646 [patent_app_country] => US [patent_app_date] => 1978-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3127 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/286/04286506.pdf [firstpage_image] =>[orig_patent_app_number] => 963646 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/963646
Air ventilation apparatus for vehicle Nov 23, 1978 Issued
Array ( [id] => 1925366 [patent_doc_number] => 04249462 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-02-10 [patent_title] => 'Method and apparatus for preventing ice formation at the entrance portal of a mine' [patent_app_type] => 1 [patent_app_number] => 5/960823 [patent_app_country] => US [patent_app_date] => 1978-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1928 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/249/04249462.pdf [firstpage_image] =>[orig_patent_app_number] => 960823 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/960823
Method and apparatus for preventing ice formation at the entrance portal of a mine Nov 14, 1978 Issued
Array ( [id] => 1895278 [patent_doc_number] => 04265300 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-05-05 [patent_title] => 'Greenhouse device' [patent_app_type] => 1 [patent_app_number] => 5/958884 [patent_app_country] => US [patent_app_date] => 1978-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 4725 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/265/04265300.pdf [firstpage_image] =>[orig_patent_app_number] => 958884 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/958884
Greenhouse device Nov 7, 1978 Issued
Array ( [id] => 1889127 [patent_doc_number] => 04257557 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-03-24 [patent_title] => 'Fluid heating system utilizing solid fuel' [patent_app_type] => 1 [patent_app_number] => 5/955193 [patent_app_country] => US [patent_app_date] => 1978-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3446 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/257/04257557.pdf [firstpage_image] =>[orig_patent_app_number] => 955193 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/955193
Fluid heating system utilizing solid fuel Oct 26, 1978 Issued
Array ( [id] => 1860126 [patent_doc_number] => 04255936 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-03-17 [patent_title] => 'Heat pump water heater' [patent_app_type] => 1 [patent_app_number] => 5/953038 [patent_app_country] => US [patent_app_date] => 1978-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2895 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/255/04255936.pdf [firstpage_image] =>[orig_patent_app_number] => 953038 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/953038
Heat pump water heater Oct 19, 1978 Issued
05/953968 FLUID DIVERTING ASSEMBLY Oct 18, 1978 Issued
Array ( [id] => 1860587 [patent_doc_number] => 04256029 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-03-17 [patent_title] => 'Pressure reducing exhaust method and structure for ventilated grain bins' [patent_app_type] => 1 [patent_app_number] => 5/950785 [patent_app_country] => US [patent_app_date] => 1978-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2469 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/256/04256029.pdf [firstpage_image] =>[orig_patent_app_number] => 950785 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/950785
Pressure reducing exhaust method and structure for ventilated grain bins Oct 11, 1978 Issued
Array ( [id] => 1881088 [patent_doc_number] => 04295416 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-10-20 [patent_title] => 'Air distribution system' [patent_app_type] => 1 [patent_app_number] => 5/944134 [patent_app_country] => US [patent_app_date] => 1978-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2620 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/295/04295416.pdf [firstpage_image] =>[orig_patent_app_number] => 944134 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/944134
Air distribution system Sep 19, 1978 Issued
Array ( [id] => 1868565 [patent_doc_number] => 04258880 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-03-31 [patent_title] => 'Fireplace heating system with finned tubes or fireplace grate' [patent_app_type] => 1 [patent_app_number] => 5/937858 [patent_app_country] => US [patent_app_date] => 1978-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2299 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 372 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/258/04258880.pdf [firstpage_image] =>[orig_patent_app_number] => 937858 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/937858
Fireplace heating system with finned tubes or fireplace grate Aug 28, 1978 Issued
Array ( [id] => 1882025 [patent_doc_number] => 04295606 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-10-20 [patent_title] => 'Heating system' [patent_app_type] => 1 [patent_app_number] => 5/933500 [patent_app_country] => US [patent_app_date] => 1978-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3515 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/295/04295606.pdf [firstpage_image] =>[orig_patent_app_number] => 933500 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/933500
Heating system Aug 13, 1978 Issued
Array ( [id] => 1916218 [patent_doc_number] => 04263894 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-04-28 [patent_title] => 'Air storing and transmitting system' [patent_app_type] => 1 [patent_app_number] => 5/933276 [patent_app_country] => US [patent_app_date] => 1978-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2570 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/263/04263894.pdf [firstpage_image] =>[orig_patent_app_number] => 933276 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/933276
Air storing and transmitting system Aug 13, 1978 Issued
Array ( [id] => 1887901 [patent_doc_number] => 04257319 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-03-24 [patent_title] => 'Room ventilating device' [patent_app_type] => 1 [patent_app_number] => 5/902854 [patent_app_country] => US [patent_app_date] => 1978-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2135 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 365 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/257/04257319.pdf [firstpage_image] =>[orig_patent_app_number] => 902854 [rel_patent_id] =>[rel_patent_doc_number] =>)
05/902854
Room ventilating device May 3, 1978 Issued
Menu