Search

David Lam

Examiner (ID: 17065, Phone: (571)272-1782 , Office: P/2825 )

Most Active Art Unit
2827
Art Unit(s)
2818, 2827, 2825
Total Applications
2102
Issued Applications
2016
Pending Applications
28
Abandoned Applications
60

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2485139 [patent_doc_number] => 04842713 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-27 [patent_title] => 'Polarographic oxygen sensor, particularly for combustion exhaust gases' [patent_app_type] => 1 [patent_app_number] => 7/119218 [patent_app_country] => US [patent_app_date] => 1987-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 4075 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 353 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/842/04842713.pdf [firstpage_image] =>[orig_patent_app_number] => 119218 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/119218
Polarographic oxygen sensor, particularly for combustion exhaust gases Nov 2, 1987 Issued
Array ( [id] => 2470731 [patent_doc_number] => 04812210 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-14 [patent_title] => 'Measuring surfactant concentration in plating solutions' [patent_app_type] => 1 [patent_app_number] => 7/109008 [patent_app_country] => US [patent_app_date] => 1987-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2433 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/812/04812210.pdf [firstpage_image] =>[orig_patent_app_number] => 109008 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/109008
Measuring surfactant concentration in plating solutions Oct 15, 1987 Issued
Array ( [id] => 2539930 [patent_doc_number] => 04810331 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-07 [patent_title] => 'Surfactant sensing electrode for potentiometric titrations' [patent_app_type] => 1 [patent_app_number] => 7/108196 [patent_app_country] => US [patent_app_date] => 1987-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 7756 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/810/04810331.pdf [firstpage_image] =>[orig_patent_app_number] => 108196 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/108196
Surfactant sensing electrode for potentiometric titrations Oct 12, 1987 Issued
Array ( [id] => 2409420 [patent_doc_number] => 04786397 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-22 [patent_title] => 'Seal for single wire O.sub.2 sensor' [patent_app_type] => 1 [patent_app_number] => 7/107619 [patent_app_country] => US [patent_app_date] => 1987-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2049 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 377 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/786/04786397.pdf [firstpage_image] =>[orig_patent_app_number] => 107619 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/107619
Seal for single wire O.sub.2 sensor Oct 8, 1987 Issued
07/105555 MEANS AND METHODS FOR QUANTITATIVE DETERMINATION OF ANALYTE IN LIQUIDS Oct 5, 1987 Abandoned
Array ( [id] => 2409459 [patent_doc_number] => 04786399 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-22 [patent_title] => 'Seal means for isolated grounded O.sub.2 sensor' [patent_app_type] => 1 [patent_app_number] => 7/102056 [patent_app_country] => US [patent_app_date] => 1987-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 14 [patent_no_of_words] => 5383 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 380 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/786/04786399.pdf [firstpage_image] =>[orig_patent_app_number] => 102056 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/102056
Seal means for isolated grounded O.sub.2 sensor Sep 27, 1987 Issued
Array ( [id] => 2545505 [patent_doc_number] => 04832803 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-23 [patent_title] => 'Removal of chlorides from concrete' [patent_app_type] => 1 [patent_app_number] => 7/100834 [patent_app_country] => US [patent_app_date] => 1987-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1136 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/832/04832803.pdf [firstpage_image] =>[orig_patent_app_number] => 100834 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/100834
Removal of chlorides from concrete Sep 24, 1987 Issued
Array ( [id] => 2510870 [patent_doc_number] => 04855029 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-08 [patent_title] => 'Integral cathodic protection device' [patent_app_type] => 1 [patent_app_number] => 7/096515 [patent_app_country] => US [patent_app_date] => 1987-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 18 [patent_no_of_words] => 3640 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/855/04855029.pdf [firstpage_image] =>[orig_patent_app_number] => 096515 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/096515
Integral cathodic protection device Sep 10, 1987 Issued
Array ( [id] => 2470770 [patent_doc_number] => 04812212 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-14 [patent_title] => 'Apparatus for cathodically protecting reinforcing members and method for installing same' [patent_app_type] => 1 [patent_app_number] => 7/093609 [patent_app_country] => US [patent_app_date] => 1987-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 3236 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/812/04812212.pdf [firstpage_image] =>[orig_patent_app_number] => 093609 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/093609
Apparatus for cathodically protecting reinforcing members and method for installing same Sep 7, 1987 Issued
Array ( [id] => 2591582 [patent_doc_number] => 04921582 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-05-01 [patent_title] => 'Dissolved oxygen measuring method' [patent_app_type] => 1 [patent_app_number] => 7/093340 [patent_app_country] => US [patent_app_date] => 1987-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3297 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/921/04921582.pdf [firstpage_image] =>[orig_patent_app_number] => 093340 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/093340
Dissolved oxygen measuring method Sep 3, 1987 Issued
Array ( [id] => 2482441 [patent_doc_number] => 04859307 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-22 [patent_title] => 'Electrochemical gas sensor, and method for manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 7/092206 [patent_app_country] => US [patent_app_date] => 1987-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 7092 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/859/04859307.pdf [firstpage_image] =>[orig_patent_app_number] => 092206 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/092206
Electrochemical gas sensor, and method for manufacturing the same Sep 1, 1987 Issued
Array ( [id] => 2546434 [patent_doc_number] => 04814045 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-21 [patent_title] => 'Method for detecting air-fuel ratio' [patent_app_type] => 1 [patent_app_number] => 7/092222 [patent_app_country] => US [patent_app_date] => 1987-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 31 [patent_no_of_words] => 5477 [patent_no_of_claims] => 5 [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/04/814/04814045.pdf [firstpage_image] =>[orig_patent_app_number] => 092222 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/092222
Method for detecting air-fuel ratio Sep 1, 1987 Issued
Array ( [id] => 2582263 [patent_doc_number] => 04908119 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-03-13 [patent_title] => 'Apparatus for determining oxygen concentration' [patent_app_type] => 1 [patent_app_number] => 7/091964 [patent_app_country] => US [patent_app_date] => 1987-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 29 [patent_no_of_words] => 4982 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/908/04908119.pdf [firstpage_image] =>[orig_patent_app_number] => 091964 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/091964
Apparatus for determining oxygen concentration Aug 31, 1987 Issued
Array ( [id] => 2473777 [patent_doc_number] => 04875990 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-24 [patent_title] => 'Oxygen concentration measuring device' [patent_app_type] => 1 [patent_app_number] => 7/088276 [patent_app_country] => US [patent_app_date] => 1987-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 37 [patent_no_of_words] => 14138 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/875/04875990.pdf [firstpage_image] =>[orig_patent_app_number] => 088276 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/088276
Oxygen concentration measuring device Aug 23, 1987 Issued
Array ( [id] => 2503177 [patent_doc_number] => 04830724 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-16 [patent_title] => 'Stamped metal anode cap assembly' [patent_app_type] => 1 [patent_app_number] => 7/087209 [patent_app_country] => US [patent_app_date] => 1987-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 1539 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/830/04830724.pdf [firstpage_image] =>[orig_patent_app_number] => 087209 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/087209
Stamped metal anode cap assembly Aug 19, 1987 Issued
Array ( [id] => 2470924 [patent_doc_number] => 04812220 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-14 [patent_title] => 'Enzyme sensor for determining a concentration of glutamate' [patent_app_type] => 1 [patent_app_number] => 7/084570 [patent_app_country] => US [patent_app_date] => 1987-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2465 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/812/04812220.pdf [firstpage_image] =>[orig_patent_app_number] => 084570 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/084570
Enzyme sensor for determining a concentration of glutamate Aug 11, 1987 Issued
Array ( [id] => 2501551 [patent_doc_number] => 04798693 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-01-17 [patent_title] => 'Method of manufacturing an electrochemical device' [patent_app_type] => 1 [patent_app_number] => 7/081631 [patent_app_country] => US [patent_app_date] => 1987-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 7110 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/798/04798693.pdf [firstpage_image] =>[orig_patent_app_number] => 081631 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/081631
Method of manufacturing an electrochemical device Aug 2, 1987 Issued
Array ( [id] => 2508701 [patent_doc_number] => 04818366 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-04 [patent_title] => 'Long life reference electrode' [patent_app_type] => 1 [patent_app_number] => 7/079615 [patent_app_country] => US [patent_app_date] => 1987-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2111 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/818/04818366.pdf [firstpage_image] =>[orig_patent_app_number] => 079615 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/079615
Long life reference electrode Jul 29, 1987 Issued
Array ( [id] => 2412753 [patent_doc_number] => 04770760 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-09-13 [patent_title] => 'Electrochemical NOx sensor' [patent_app_type] => 1 [patent_app_number] => 7/079466 [patent_app_country] => US [patent_app_date] => 1987-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 6586 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 465 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/770/04770760.pdf [firstpage_image] =>[orig_patent_app_number] => 079466 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/079466
Electrochemical NOx sensor Jul 29, 1987 Issued
Array ( [id] => 2485737 [patent_doc_number] => 04824551 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-25 [patent_title] => 'Cell for measuring gas levels' [patent_app_type] => 1 [patent_app_number] => 7/075243 [patent_app_country] => US [patent_app_date] => 1987-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2822 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/824/04824551.pdf [firstpage_image] =>[orig_patent_app_number] => 075243 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/075243
Cell for measuring gas levels Jul 15, 1987 Issued
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