Search

Daniel D. Chang

Examiner (ID: 18728, Phone: (571)272-1801 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2844, 2819, 0
Total Applications
2520
Issued Applications
2308
Pending Applications
99
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2032588 [patent_doc_number] => 04377773 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-22 [patent_title] => 'Negative ion source with hollow cathode discharge plasma' [patent_app_type] => 1 [patent_app_number] => 6/215770 [patent_app_country] => US [patent_app_date] => 1980-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3030 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/377/04377773.pdf [firstpage_image] =>[orig_patent_app_number] => 215770 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/215770
Negative ion source with hollow cathode discharge plasma Dec 11, 1980 Issued
Array ( [id] => 1968905 [patent_doc_number] => 04362972 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-12-07 [patent_title] => 'Thyratrons' [patent_app_type] => 1 [patent_app_number] => 6/214880 [patent_app_country] => US [patent_app_date] => 1980-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2182 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/362/04362972.pdf [firstpage_image] =>[orig_patent_app_number] => 214880 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/214880
Thyratrons Dec 9, 1980 Issued
Array ( [id] => 2048664 [patent_doc_number] => 04405882 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-09-20 [patent_title] => 'Air flow sensor' [patent_app_type] => 1 [patent_app_number] => 6/213986 [patent_app_country] => US [patent_app_date] => 1980-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 1836 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/405/04405882.pdf [firstpage_image] =>[orig_patent_app_number] => 213986 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/213986
Air flow sensor Dec 7, 1980 Issued
Array ( [id] => 2042275 [patent_doc_number] => 04386297 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-05-31 [patent_title] => 'Gas discharge panel device' [patent_app_type] => 1 [patent_app_number] => 6/213409 [patent_app_country] => US [patent_app_date] => 1980-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5055 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/386/04386297.pdf [firstpage_image] =>[orig_patent_app_number] => 213409 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/213409
Gas discharge panel device Dec 4, 1980 Issued
Array ( [id] => 1961644 [patent_doc_number] => 04358714 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-09 [patent_title] => 'Light dimming system for grounded-side control of discrete indicator lamps' [patent_app_type] => 1 [patent_app_number] => 6/213713 [patent_app_country] => US [patent_app_date] => 1980-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1968 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/358/04358714.pdf [firstpage_image] =>[orig_patent_app_number] => 213713 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/213713
Light dimming system for grounded-side control of discrete indicator lamps Dec 4, 1980 Issued
Array ( [id] => 2056667 [patent_doc_number] => 04394598 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-19 [patent_title] => 'Spark plug for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 6/211901 [patent_app_country] => US [patent_app_date] => 1980-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1561 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/394/04394598.pdf [firstpage_image] =>[orig_patent_app_number] => 211901 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/211901
Spark plug for internal combustion engines Nov 30, 1980 Issued
Array ( [id] => 1988843 [patent_doc_number] => 04353011 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-10-05 [patent_title] => 'Hot cathode discharge lamp lighting device' [patent_app_type] => 1 [patent_app_number] => 6/211158 [patent_app_country] => US [patent_app_date] => 1980-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 4826 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/353/04353011.pdf [firstpage_image] =>[orig_patent_app_number] => 211158 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/211158
Hot cathode discharge lamp lighting device Nov 27, 1980 Issued
Array ( [id] => 1933667 [patent_doc_number] => 04350933 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-09-21 [patent_title] => 'Two-wire ballast for fluorescent tube dimming' [patent_app_type] => 1 [patent_app_number] => 6/210649 [patent_app_country] => US [patent_app_date] => 1980-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3653 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/350/04350933.pdf [firstpage_image] =>[orig_patent_app_number] => 210649 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/210649
Two-wire ballast for fluorescent tube dimming Nov 25, 1980 Issued
Array ( [id] => 2023217 [patent_doc_number] => 04370600 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-01-25 [patent_title] => 'Two-wire electronic dimming ballast for fluorescent lamps' [patent_app_type] => 1 [patent_app_number] => 6/210651 [patent_app_country] => US [patent_app_date] => 1980-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 4174 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/370/04370600.pdf [firstpage_image] =>[orig_patent_app_number] => 210651 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/210651
Two-wire electronic dimming ballast for fluorescent lamps Nov 25, 1980 Issued
Array ( [id] => 2011038 [patent_doc_number] => 04392087 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-05 [patent_title] => 'Two-wire electronic dimming ballast for gaseous discharge lamps' [patent_app_type] => 1 [patent_app_number] => 6/210650 [patent_app_country] => US [patent_app_date] => 1980-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 5313 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 14 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/392/04392087.pdf [firstpage_image] =>[orig_patent_app_number] => 210650 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/210650
Two-wire electronic dimming ballast for gaseous discharge lamps Nov 25, 1980 Issued
Array ( [id] => 1988757 [patent_doc_number] => 04337412 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-29 [patent_title] => 'Cathode device for cathode-ray tube' [patent_app_type] => 1 [patent_app_number] => 6/210672 [patent_app_country] => US [patent_app_date] => 1980-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1535 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/337/04337412.pdf [firstpage_image] =>[orig_patent_app_number] => 210672 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/210672
Cathode device for cathode-ray tube Nov 25, 1980 Issued
Array ( [id] => 1987357 [patent_doc_number] => 04360783 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-23 [patent_title] => 'Lamp power regulator' [patent_app_type] => 1 [patent_app_number] => 6/210078 [patent_app_country] => US [patent_app_date] => 1980-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2629 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/360/04360783.pdf [firstpage_image] =>[orig_patent_app_number] => 210078 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/210078
Lamp power regulator Nov 23, 1980 Issued
Array ( [id] => 1958035 [patent_doc_number] => 04333039 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-01 [patent_title] => 'Pilot driver for plasma display device' [patent_app_type] => 1 [patent_app_number] => 6/208738 [patent_app_country] => US [patent_app_date] => 1980-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4442 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/333/04333039.pdf [firstpage_image] =>[orig_patent_app_number] => 208738 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/208738
Pilot driver for plasma display device Nov 19, 1980 Issued
Array ( [id] => 1959778 [patent_doc_number] => 04339692 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-07-13 [patent_title] => 'Power supply for HID lamp' [patent_app_type] => 1 [patent_app_number] => 6/207953 [patent_app_country] => US [patent_app_date] => 1980-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2972 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/339/04339692.pdf [firstpage_image] =>[orig_patent_app_number] => 207953 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/207953
Power supply for HID lamp Nov 17, 1980 Issued
Array ( [id] => 1959783 [patent_doc_number] => 04339693 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-07-13 [patent_title] => 'Arrangement including a gas and/or vapor discharge lamp' [patent_app_type] => 1 [patent_app_number] => 6/207320 [patent_app_country] => US [patent_app_date] => 1980-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3121 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/339/04339693.pdf [firstpage_image] =>[orig_patent_app_number] => 207320 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/207320
Arrangement including a gas and/or vapor discharge lamp Nov 16, 1980 Issued
Array ( [id] => 2024616 [patent_doc_number] => 04380719 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-04-19 [patent_title] => 'Electronic device for the starting and a.c. voltage operation of a gas and/or vapor discharge lamp' [patent_app_type] => 1 [patent_app_number] => 6/207321 [patent_app_country] => US [patent_app_date] => 1980-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4084 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/380/04380719.pdf [firstpage_image] =>[orig_patent_app_number] => 207321 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/207321
Electronic device for the starting and a.c. voltage operation of a gas and/or vapor discharge lamp Nov 16, 1980 Issued
Array ( [id] => 1941144 [patent_doc_number] => 04327308 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-04-27 [patent_title] => 'Simplified power source for fluorescent lamps' [patent_app_type] => 1 [patent_app_number] => 6/206678 [patent_app_country] => US [patent_app_date] => 1980-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1069 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/327/04327308.pdf [firstpage_image] =>[orig_patent_app_number] => 206678 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/206678
Simplified power source for fluorescent lamps Nov 12, 1980 Issued
Array ( [id] => 1947972 [patent_doc_number] => 04366570 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-12-28 [patent_title] => 'Series inverter for capacitor charging' [patent_app_type] => 1 [patent_app_number] => 6/206389 [patent_app_country] => US [patent_app_date] => 1980-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2840 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/366/04366570.pdf [firstpage_image] =>[orig_patent_app_number] => 206389 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/206389
Series inverter for capacitor charging Nov 12, 1980 Issued
Array ( [id] => 1972524 [patent_doc_number] => 04344019 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-10 [patent_title] => 'Penning discharge ion source with self-cleaning aperture' [patent_app_type] => 1 [patent_app_number] => 6/205398 [patent_app_country] => US [patent_app_date] => 1980-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3624 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/344/04344019.pdf [firstpage_image] =>[orig_patent_app_number] => 205398 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/205398
Penning discharge ion source with self-cleaning aperture Nov 9, 1980 Issued
06/205067 LOW-PRESSURE MERCURY VAPOUR DISCHARGE LAMP Nov 9, 1980 Abandoned
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