Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
EH

Edward E. Heald — 8 Patents

WEWerner: 7 patents #16 of 140Top 15%
RCR. D. Werner Co.: 1 patents #10 of 25Top 40%
Greenville, PA: #8 of 75 inventorsTop 15%
Pennsylvania: #10,422 of 74,527 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Edward E. Heald has been granted 8 US patents while listed as an inventor at Werner. The first was granted in 1990 and the most recent in November 2000. Edward E. Heald ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Edward E. Heald in Greenville, PA, US.

Patents per Year

Patents granted per year, 1990 to 2000Bar chart with a peak of 2 patents in 1998.peak 21990: 1 patents19901997: 1 patents19971998: 2 patents19981999: 2 patents19992000: 2 patents2000

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6142255 Ladder, member for connecting a rail to a horizontal element of a ladder, and method David E. Plotner, Richard P. Sulecki, Frederick J. Bartnicki, Mitchell H. Hetrich 2000-11-07
D422717 Ladder top Frederick J. Bartnicki, James Hand, Randall Bell, John J. Dylik 2000-04-11
D413990 Front face of a ladder top Frederick J. Bartnicki, James Hand, Randall Bell, John J. Dylik 1999-09-14
D404503 Caddy top Randall Bell, Walter B. Herbst, Eric C. Horne 1999-01-19
D397228 Step ladder Randall Bell, Walter B. Herbst, Eric C. Horne 1998-08-18
5791439 Ladder, member for connecting a rail to a horizontal element of a ladder, and method, and apparatus and method for holding a washer David E. Plotner, Kevin McIntire, Richard P. Sulecki, Mitchell H. Hetrich, Frederick J. Bartnicki 1998-08-11
5636706 Ladder, member for connecting a rail to a horizontal element of a ladder, and method David E. Plotner, Richard P. Sulecki, Frederick J. Bartnicki, Mitchell H. Hetrich 1997-06-10
D310884 Cover for tops of ladders Russell S. Patton, Dale R. King 1990-09-25