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] => 2195507 [patent_doc_number] => 04519879 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-05-28 [patent_title] => 'Method of producing tin-free steel sheets' [patent_app_type] => 1 [patent_app_number] => 6/498548 [patent_app_country] => US [patent_app_date] => 1983-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3995 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/519/04519879.pdf [firstpage_image] =>[orig_patent_app_number] => 498548 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/498548
Method of producing tin-free steel sheets May 25, 1983 Issued
Array ( [id] => 2201614 [patent_doc_number] => 04544455 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-10-01 [patent_title] => 'Salt bridge liquid' [patent_app_type] => 1 [patent_app_number] => 6/495262 [patent_app_country] => US [patent_app_date] => 1983-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3497 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/544/04544455.pdf [firstpage_image] =>[orig_patent_app_number] => 495262 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/495262
Salt bridge liquid May 16, 1983 Issued
Array ( [id] => 2176460 [patent_doc_number] => 04512853 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-04-23 [patent_title] => 'Method of monitoring pH' [patent_app_type] => 1 [patent_app_number] => 6/495219 [patent_app_country] => US [patent_app_date] => 1983-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2763 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/512/04512853.pdf [firstpage_image] =>[orig_patent_app_number] => 495219 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/495219
Method of monitoring pH May 16, 1983 Issued
Array ( [id] => 2252746 [patent_doc_number] => 04563249 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-01-07 [patent_title] => 'Electroanalytical method and sensor for hydrogen determination' [patent_app_type] => 1 [patent_app_number] => 6/493316 [patent_app_country] => US [patent_app_date] => 1983-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 7158 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/563/04563249.pdf [firstpage_image] =>[orig_patent_app_number] => 493316 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/493316
Electroanalytical method and sensor for hydrogen determination May 9, 1983 Issued
Array ( [id] => 2110015 [patent_doc_number] => 04451338 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-05-29 [patent_title] => 'Process for making a calcium/sodium ferrate adduct by the electrochemical formation of sodium ferrate' [patent_app_type] => 1 [patent_app_number] => 6/490756 [patent_app_country] => US [patent_app_date] => 1983-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8305 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/451/04451338.pdf [firstpage_image] =>[orig_patent_app_number] => 490756 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/490756
Process for making a calcium/sodium ferrate adduct by the electrochemical formation of sodium ferrate May 1, 1983 Issued
Array ( [id] => 2075245 [patent_doc_number] => 04444646 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-04-24 [patent_title] => 'Membrane cap assembly for oxygen monitors' [patent_app_type] => 1 [patent_app_number] => 6/490052 [patent_app_country] => US [patent_app_date] => 1983-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1870 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/444/04444646.pdf [firstpage_image] =>[orig_patent_app_number] => 490052 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/490052
Membrane cap assembly for oxygen monitors Apr 28, 1983 Issued
06/487791 METHOD AND MEANS FOR GENERATING ELECTRICAL AND MAGNETIC FIELDS IN SALT WATER ENVIRONMENTS Apr 21, 1983 Abandoned
Array ( [id] => 2064246 [patent_doc_number] => 04487680 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-12-11 [patent_title] => 'Planar ZrO.sub.2 oxygen pumping sensor' [patent_app_type] => 1 [patent_app_number] => 6/505036 [patent_app_country] => US [patent_app_date] => 1983-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2964 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/487/04487680.pdf [firstpage_image] =>[orig_patent_app_number] => 505036 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/505036
Planar ZrO.sub.2 oxygen pumping sensor Apr 17, 1983 Issued
Array ( [id] => 2154747 [patent_doc_number] => 04518463 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-05-21 [patent_title] => 'Potentiometric method' [patent_app_type] => 1 [patent_app_number] => 6/484703 [patent_app_country] => US [patent_app_date] => 1983-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 3191 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/518/04518463.pdf [firstpage_image] =>[orig_patent_app_number] => 484703 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/484703
Potentiometric method Apr 12, 1983 Issued
Array ( [id] => 2107562 [patent_doc_number] => 04466879 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-21 [patent_title] => 'Polarographic oxygen sensor' [patent_app_type] => 1 [patent_app_number] => 6/483336 [patent_app_country] => US [patent_app_date] => 1983-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2649 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/466/04466879.pdf [firstpage_image] =>[orig_patent_app_number] => 483336 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/483336
Polarographic oxygen sensor Apr 7, 1983 Issued
Array ( [id] => 2105505 [patent_doc_number] => 04472261 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-09-18 [patent_title] => 'Dissolved oxygen gas measuring electrode system' [patent_app_type] => 1 [patent_app_number] => 6/482556 [patent_app_country] => US [patent_app_date] => 1983-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2864 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/472/04472261.pdf [firstpage_image] =>[orig_patent_app_number] => 482556 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/482556
Dissolved oxygen gas measuring electrode system Apr 5, 1983 Issued
Array ( [id] => 2250759 [patent_doc_number] => 04589906 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-05-20 [patent_title] => 'Inorganic depot fertilizers' [patent_app_type] => 1 [patent_app_number] => 6/479772 [patent_app_country] => US [patent_app_date] => 1983-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13019 [patent_no_of_claims] => 8 [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/04/589/04589906.pdf [firstpage_image] =>[orig_patent_app_number] => 479772 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/479772
Inorganic depot fertilizers Mar 27, 1983 Issued
06/478537 CHAINS Mar 24, 1983 Abandoned
Array ( [id] => 2510962 [patent_doc_number] => 04855034 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-08 [patent_title] => 'Gas sensor for sulfur dioxide' [patent_app_type] => 1 [patent_app_number] => 6/474882 [patent_app_country] => US [patent_app_date] => 1983-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3921 [patent_no_of_claims] => 7 [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/04/855/04855034.pdf [firstpage_image] =>[orig_patent_app_number] => 474882 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/474882
Gas sensor for sulfur dioxide Mar 13, 1983 Issued
Array ( [id] => 2112456 [patent_doc_number] => 04485002 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-11-27 [patent_title] => 'Measuring device for the determination of the activity of carbon in furnace atmospheres' [patent_app_type] => 1 [patent_app_number] => 6/470996 [patent_app_country] => US [patent_app_date] => 1983-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2848 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/485/04485002.pdf [firstpage_image] =>[orig_patent_app_number] => 470996 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/470996
Measuring device for the determination of the activity of carbon in furnace atmospheres Feb 28, 1983 Issued
Array ( [id] => 2145885 [patent_doc_number] => 04497701 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-02-05 [patent_title] => 'Humidity sensitive device' [patent_app_type] => 1 [patent_app_number] => 6/468479 [patent_app_country] => US [patent_app_date] => 1983-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3354 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/497/04497701.pdf [firstpage_image] =>[orig_patent_app_number] => 468479 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/468479
Humidity sensitive device Feb 21, 1983 Issued
Array ( [id] => 2107444 [patent_doc_number] => 04466867 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-21 [patent_title] => 'Production of blue iron hexacyanoferrate-III pigments' [patent_app_type] => 1 [patent_app_number] => 6/467744 [patent_app_country] => US [patent_app_date] => 1983-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4747 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/466/04466867.pdf [firstpage_image] =>[orig_patent_app_number] => 467744 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/467744
Production of blue iron hexacyanoferrate-III pigments Feb 17, 1983 Issued
Array ( [id] => 2268200 [patent_doc_number] => 04565619 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-01-21 [patent_title] => 'Composite electrode structure' [patent_app_type] => 1 [patent_app_number] => 6/467711 [patent_app_country] => US [patent_app_date] => 1983-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3186 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/565/04565619.pdf [firstpage_image] =>[orig_patent_app_number] => 467711 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/467711
Composite electrode structure Feb 17, 1983 Issued
Array ( [id] => 2278807 [patent_doc_number] => 04623434 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-11-18 [patent_title] => 'Method of determining cathodic corrosion and displaying' [patent_app_type] => 1 [patent_app_number] => 6/462404 [patent_app_country] => US [patent_app_date] => 1983-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1603 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/623/04623434.pdf [firstpage_image] =>[orig_patent_app_number] => 462404 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/462404
Method of determining cathodic corrosion and displaying Jan 30, 1983 Issued
Array ( [id] => 2099185 [patent_doc_number] => 04457821 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-07-03 [patent_title] => 'Cathodic protection apparatus for well coated metal vessels having a gross bare area' [patent_app_type] => 1 [patent_app_number] => 6/458390 [patent_app_country] => US [patent_app_date] => 1983-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 2399 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/457/04457821.pdf [firstpage_image] =>[orig_patent_app_number] => 458390 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/458390
Cathodic protection apparatus for well coated metal vessels having a gross bare area Jan 16, 1983 Issued
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