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USPTO Patent Rankings Data through Dec 31, 2025
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David T. Shaffer — 32 Patents

AMAmp: 26 patents #9 of 1,260Top 1%
W&Whitaker &: 5 patents #146 of 1,437Top 15%
Harrisburg, PA: #17 of 635 inventorsTop 3%
Pennsylvania: #1,653 of 74,527 inventorsTop 3%
Overall (All Time): #110,428 of 4,157,543Top 3%
32 Patents All Time
David T. Shaffer has been granted 32 US patents while listed as an inventor at Amp. The first was granted in 1983 and the most recent in July 2000. David T. Shaffer ranks #110,428 of 4,157,543 US inventors in our database (top 2.7%). Patent records list David T. Shaffer in Harrisburg, PA, US.

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6091370 Method of making a multiple band antenna and an antenna made thereby 2000-07-18
6056579 Holder for circuit card George G. Richards, III, Brent David Yohn, Andrew Dewitt Balthaser, Robert Alan Kirker 2000-05-02
5496189 Electrical connector assembly including improved decoupling retardation mechanism Gary L. Over, Teresa K. Black 1996-03-05
5409384 Low profile board-to-board electrical connector Eric T. Green, Charles F. Staley 1995-04-25 $287,000
5348488 Electrical connector with board-mounting alignment system Eric T. Green, Charles F. Staley 1994-09-20
5234353 Hybrid input/output connector having low mating force and high cycle life and contacts therefor James P. Scholz, Brent David Yohn 1993-08-10 $32,860,000
5090116 Method of assembling a connector to a circuit element and soldering lead frame for use therein Homer E. Henschen, Michael J. McKee, Joseph M. Pawlikowski, Richard Lloyd Schaeffer, Alexander M. Sharpe 1992-02-25 $11,152,000
4986764 High voltage lead assembly and connector Daniel G. Eaby, James P. Scholz, Walter C. Shatto, Jr., Brent David Yohn 1991-01-22 $2,709,000
4895536 Lead frame assembly having severable electrical circuit sections David J. Gingerich, Richard F. Granitz, William H. Rose 1990-01-23 $3,695,000
4842525 Electrical connector assembly for antiskid braking system Michael D. Galloway, William H. Rose 1989-06-27 $1,557,000
4805885 Sinuous spring David J. Gingerich, William H. Rose, David W. Rupnik 1989-02-21 $5,090,000
4785532 Method of making electrical connector assembly for antiskid braking system Michael D. Galloway, William H. Rose 1988-11-22 $3,150,000
4783906 Method of making a customizable electrical article David J. Gingerich, Richard F. Granitz, William H. Rose 1988-11-15 $4,447,000
4773157 Method of making an electrical termination Michael D. Galloway, Dimitry G. Grabbe 1988-09-27 $6,100,000
4697863 Electrical connector assembly for antiskid braking system Michael D. Galloway, William H. Rose 1987-10-06 $8,946,000
4689597 Electrical fuse component and method of using same Michael D. Galloway 1987-08-25 $12,836,000
4680568 Electrical component having fuse element, and method of using same Mark Corrao 1987-07-14 $3,882,000
4675989 Method of making an electrical circuit package Michael D. Galloway, William H. Rose 1987-06-30 $10,822,000
4673837 Motor brush assembly David J. Gingerich, Richard F. Granitz, William H. Rose 1987-06-16 $18,057,000
4655516 Chip carrier connector and method of making same Philip J. Walker 1987-04-07 $3,866,000
4628597 Method of making an electrical connector Robert Francis Meehan, William H. Rose 1986-12-16
4616112 Electrical switch having arc-protected contacts Michael D. Galloway, William H. Rose 1986-10-07 $21,695,000
4612422 Single in-line package switch William H. Rose 1986-09-16 $4,810,000
4611262 Electrical circuit package for greeting cards Michael D. Galloway, William H. Rose 1986-09-09 $12,253,000
4600971 Lead frames with dielectric housings molded thereon William H. Rose 1986-07-15 $7,039,000