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

Karl Singer — 20 Patents

DDD&K Custom Machine Design: 10 patents #1 of 8Top 15%
DCDk Holdings Company: 5 patents #1 of 13Top 8%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Palatine, IL: #91 of 1,176 inventorsTop 8%
Illinois: #3,810 of 84,256 inventorsTop 5%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Karl Singer has been granted 20 US patents while listed as an inventor at D&K Custom Machine Design. The first was granted in 1981 and the most recent in March 2013. Karl Singer ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Karl Singer in Palatine, IL, US.

Patents per Year

Patents granted per year, 1981 to 2013Bar chart with a peak of 3 patents in 1998.peak 31981: 1 patents19811982: 1 patents1984: 1 patents19841985: 1 patents1988: 1 patents19881991: 2 patents1992: 2 patents19921993: 1 patents1998: 3 patents19982005: 1 patents2007: 3 patents20072011: 1 patents2012: 1 patents20122013: 1 patents2013

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
8398792 Simulated brush stroke system 2013-03-19
8272423 Wall mounted laminator 2012-09-25
8057632 Simulated brush stroke system 2011-11-15
7267857 Mounting and laminating system 2007-09-11
D544893 Laminator 2007-06-19
7226692 Battery lock Chad Seedorf 2007-06-05
6946217 Battery lock Chad Seedorf 2005-09-20
5803447 Method and apparatus for feeding sheets Robert Allen Crimmins, Lawrence B. Lestarge 1998-09-08
5772202 Method and apparatus for registering sheets Lawrence B. Lestarge, Robert Allen Crimmins 1998-06-30
5773796 Heated roller assembly Robert Allen Crimmins, Lawrence B. Lestarge 1998-06-30
5196967 Method of automatically optimizing the recording bias for a video signal, and arrangement for carrying out the method Werner Mederer, Ulrich Grothaus 1993-03-23
5139600 Double sided lamination machine 1992-08-18
5079981 Cutter mechanism Michael D. Flasza 1992-01-14
5071504 Double sided laminating machine 1991-12-10
5019203 Double sided laminating machine 1991-05-28
4743334 Double sided laminating machine 1988-05-10
4517042 Method and apparatus for decurling laminated stock 1985-05-14
4470589 Method and apparatus for feeding and laminating sheets 1984-09-11
4329896 Slitter for severing laminated objects 1982-05-18
4274770 Hand-held burr remover for conduit and pipe 1981-06-23