Search

David H. Malzahn

Examiner (ID: 17134, Phone: (571)272-3727 , Office: P/2182 )

Most Active Art Unit
2193
Art Unit(s)
2193, 2306, 2301, 2787, 2182, 2121, 2302, 2124, 2183, 2307, 2786
Total Applications
3174
Issued Applications
2743
Pending Applications
60
Abandoned Applications
371

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3659160 [patent_doc_number] => 05606519 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-25 [patent_title] => 'Portable electronic computer with removable disk drive' [patent_app_type] => 1 [patent_app_number] => 8/214741 [patent_app_country] => US [patent_app_date] => 1994-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 2775 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/606/05606519.pdf [firstpage_image] =>[orig_patent_app_number] => 214741 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/214741
Portable electronic computer with removable disk drive Mar 17, 1994 Issued
Array ( [id] => 3135454 [patent_doc_number] => 05436859 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-25 [patent_title] => 'Method to reduce the power consumation of a digital filter bank analyzer reducing the number of multiplications' [patent_app_type] => 1 [patent_app_number] => 8/081263 [patent_app_country] => US [patent_app_date] => 1994-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 25 [patent_no_of_words] => 2771 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/436/05436859.pdf [firstpage_image] =>[orig_patent_app_number] => 081263 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/081263
Method to reduce the power consumation of a digital filter bank analyzer reducing the number of multiplications Mar 16, 1994 Issued
Array ( [id] => 3418948 [patent_doc_number] => 05461582 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-24 [patent_title] => 'Filter for 2B1Q signals' [patent_app_type] => 1 [patent_app_number] => 8/213861 [patent_app_country] => US [patent_app_date] => 1994-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3449 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/461/05461582.pdf [firstpage_image] =>[orig_patent_app_number] => 213861 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/213861
Filter for 2B1Q signals Mar 15, 1994 Issued
Array ( [id] => 3598416 [patent_doc_number] => 05517435 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-14 [patent_title] => 'Method of identifying an unknown system with a band-splitting adaptive filter and a device thereof' [patent_app_type] => 1 [patent_app_number] => 8/208671 [patent_app_country] => US [patent_app_date] => 1994-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 19 [patent_no_of_words] => 6435 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/517/05517435.pdf [firstpage_image] =>[orig_patent_app_number] => 208671 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/208671
Method of identifying an unknown system with a band-splitting adaptive filter and a device thereof Mar 10, 1994 Issued
Array ( [id] => 3525086 [patent_doc_number] => 05487022 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-23 [patent_title] => 'Normalization method for floating point numbers' [patent_app_type] => 1 [patent_app_number] => 8/207992 [patent_app_country] => US [patent_app_date] => 1994-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 39 [patent_no_of_words] => 19468 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/487/05487022.pdf [firstpage_image] =>[orig_patent_app_number] => 207992 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/207992
Normalization method for floating point numbers Mar 7, 1994 Issued
Array ( [id] => 3469166 [patent_doc_number] => 05442577 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-15 [patent_title] => 'Sign-extension of immediate constants in an alu' [patent_app_type] => 1 [patent_app_number] => 8/207751 [patent_app_country] => US [patent_app_date] => 1994-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6968 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/442/05442577.pdf [firstpage_image] =>[orig_patent_app_number] => 207751 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/207751
Sign-extension of immediate constants in an alu Mar 7, 1994 Issued
Array ( [id] => 3014011 [patent_doc_number] => 05375081 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-20 [patent_title] => 'High speed adder using a varied carry scheme and related method' [patent_app_type] => 1 [patent_app_number] => 8/206288 [patent_app_country] => US [patent_app_date] => 1994-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3224 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/375/05375081.pdf [firstpage_image] =>[orig_patent_app_number] => 206288 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/206288
High speed adder using a varied carry scheme and related method Mar 6, 1994 Issued
Array ( [id] => 3525102 [patent_doc_number] => 05487023 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-23 [patent_title] => 'Repeatable finite and infinite impulse response integrated circuit structure' [patent_app_type] => 1 [patent_app_number] => 8/194963 [patent_app_country] => US [patent_app_date] => 1994-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 2636 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/487/05487023.pdf [firstpage_image] =>[orig_patent_app_number] => 194963 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/194963
Repeatable finite and infinite impulse response integrated circuit structure Feb 13, 1994 Issued
Array ( [id] => 3457976 [patent_doc_number] => 05386376 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-31 [patent_title] => 'Method and apparatus for overriding quotient prediction in floating point divider information processing systems' [patent_app_type] => 1 [patent_app_number] => 8/193797 [patent_app_country] => US [patent_app_date] => 1994-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4339 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/386/05386376.pdf [firstpage_image] =>[orig_patent_app_number] => 193797 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/193797
Method and apparatus for overriding quotient prediction in floating point divider information processing systems Feb 8, 1994 Issued
08/192805 PARALLEL STRING PROCESSOR AND METHOD FOR A MINICOMPUTER Feb 6, 1994 Abandoned
Array ( [id] => 3632755 [patent_doc_number] => 05594677 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-14 [patent_title] => 'Method and apparatus for filtering high resolution digital signals' [patent_app_type] => 1 [patent_app_number] => 8/189271 [patent_app_country] => US [patent_app_date] => 1994-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2481 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/594/05594677.pdf [firstpage_image] =>[orig_patent_app_number] => 189271 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/189271
Method and apparatus for filtering high resolution digital signals Jan 27, 1994 Issued
Array ( [id] => 3435572 [patent_doc_number] => 05416733 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-16 [patent_title] => 'Apparatus for finding quotient in a digital system' [patent_app_type] => 1 [patent_app_number] => 8/188053 [patent_app_country] => US [patent_app_date] => 1994-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 4650 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 387 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/416/05416733.pdf [firstpage_image] =>[orig_patent_app_number] => 188053 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/188053
Apparatus for finding quotient in a digital system Jan 25, 1994 Issued
Array ( [id] => 3417956 [patent_doc_number] => 05438532 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-01 [patent_title] => 'Digital filter for use in synthesizing filter or a separation filter' [patent_app_type] => 1 [patent_app_number] => 8/183601 [patent_app_country] => US [patent_app_date] => 1994-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 24 [patent_no_of_words] => 13329 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/438/05438532.pdf [firstpage_image] =>[orig_patent_app_number] => 183601 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/183601
Digital filter for use in synthesizing filter or a separation filter Jan 20, 1994 Issued
Array ( [id] => 3482220 [patent_doc_number] => 05477479 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-19 [patent_title] => 'Multiplying system having multi-stages for processing a digital signal based on the Booth\'s algorithm' [patent_app_type] => 1 [patent_app_number] => 8/184822 [patent_app_country] => US [patent_app_date] => 1994-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 6101 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/477/05477479.pdf [firstpage_image] =>[orig_patent_app_number] => 184822 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/184822
Multiplying system having multi-stages for processing a digital signal based on the Booth's algorithm Jan 18, 1994 Issued
Array ( [id] => 3424839 [patent_doc_number] => 05453945 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-26 [patent_title] => 'Method for decomposing signals into efficient time-frequency representations for data compression and recognition' [patent_app_type] => 1 [patent_app_number] => 8/182692 [patent_app_country] => US [patent_app_date] => 1994-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 38 [patent_no_of_words] => 9593 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/453/05453945.pdf [firstpage_image] =>[orig_patent_app_number] => 182692 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/182692
Method for decomposing signals into efficient time-frequency representations for data compression and recognition Jan 12, 1994 Issued
08/175783 METHOD AND APPARATUS FOR PERFORMING A POPULATION COUNT OPERATION Dec 29, 1993 Abandoned
Array ( [id] => 3128572 [patent_doc_number] => 05450340 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-12 [patent_title] => 'Implementation techniques of self-checking arithmetic operators and data paths based on double-rail and parity codes' [patent_app_type] => 1 [patent_app_number] => 8/167822 [patent_app_country] => US [patent_app_date] => 1993-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 39 [patent_no_of_words] => 13822 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/450/05450340.pdf [firstpage_image] =>[orig_patent_app_number] => 167822 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/167822
Implementation techniques of self-checking arithmetic operators and data paths based on double-rail and parity codes Dec 16, 1993 Issued
08/166821 RECIPROCAL NUMBER ARITHMETIC OPERATING METHOD AND CIRCUIT WHICH ARE USED IN MODEM Dec 14, 1993 Abandoned
Array ( [id] => 3425295 [patent_doc_number] => 05394350 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-28 [patent_title] => 'Square computation circuit' [patent_app_type] => 1 [patent_app_number] => 8/165322 [patent_app_country] => US [patent_app_date] => 1993-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5301 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/394/05394350.pdf [firstpage_image] =>[orig_patent_app_number] => 165322 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/165322
Square computation circuit Dec 12, 1993 Issued
Array ( [id] => 3549446 [patent_doc_number] => 05481486 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-02 [patent_title] => 'Look up table implementation of fast carry arithmetic and exclusive-OR operations' [patent_app_type] => 1 [patent_app_number] => 8/166300 [patent_app_country] => US [patent_app_date] => 1993-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4017 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/481/05481486.pdf [firstpage_image] =>[orig_patent_app_number] => 166300 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/166300
Look up table implementation of fast carry arithmetic and exclusive-OR operations Dec 12, 1993 Issued
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