Serial Number [repack] | Kienzle Wall Clock

To estimate the age of your clock, you must combine movement markings, logo styles, and patent numbers. 1. Identify the Logo Style

Dating a Kienzle wall clock via a serial number is complex because, unlike some other German manufacturers, Kienzle did not release a public, comprehensive database correlating serial numbers to specific production years

If you see a stamp that looks like "D.R.P." followed by numbers, these are patent numbers, not serial numbers. While they help date the clock (by indicating when a patent was filed), they do not identify the specific unit. kienzle wall clock serial number

Kienzle’s factory archives (in Schwenningen) were lost during WWII. What collectors use today is pieced together from dated patent stamps, trademark registrations (e.g., crown logo from 1895 onward), and catalog references.

In 1945, the Allied bombing raids targeted the industrial heart of Germany, including the Black Forest region and Schwenningen. The Kienzle factory archives—containing the ledgers that matched serial numbers to production years—were incinerated. Furthermore, many clocks produced in the 1920s and 1930s were exported without rigorous internal tracking. To estimate the age of your clock, you

: The serial number is typically stamped directly into the brass backplate. It may appear as a 5- or 6-digit number, sometimes positioned just below the Kienzle logo.

Identifying the Age of Your Grandfather Clock: A Step-by-Step Guide While they help date the clock (by indicating

. Instead, collectors must combine serial numbers with manufacturer marks, patent codes, and movement specifications to narrow down the clock's age. Clockworks Locating the Serial Number and Markings Serial numbers are almost exclusively found on the clock movement rather than the exterior case. Clockworks Back Plate of Movement : The most common location for serial numbers and logos. Front Plate of Movement

To identify a Kienzle wall clock, start by locating the serial number on the . While Kienzle did not maintain a public database linking serial numbers to exact production dates, these numbers—often found near trademarks or patent stamps—help collectors categorize the movement and verify its authenticity. How to Find and Read the Serial Number